Finding the Fourth Proportional to 20,227,319,456,390, 27,908,916,620,796 and 11,447,980,332,069
Calculator
Solution
The fourth proportional to 20,227,319,456,390, 27,908,916,620,796 and 11,447,980,332,069 is: 15,795,505,146,051.02
Step by Step Solution
- Step 1: Write the proportion equation
20,227,319,456,390 : 27,908,916,620,796 = 11,447,980,332,069 : x - Step 2: Convert to fraction form
20,227,319,456,390/27,908,916,620,796 = 11,447,980,332,069/x - Step 3: Cross multiply
20,227,319,456,390x = 27,908,916,620,796 × 11,447,980,332,069 - Step 4: Simplify right side
20,227,319,456,390x = 319,500,728,564,226,252,548,866,048 - Step 5: Solve for x
x = 319,500,728,564,226,252,548,866,048/20,227,319,456,390 - Step 6: Final answer
x = 15,795,505,146,051.02
Related Problems
Find fourth proportional to 10,113,659,728,195, 13,954,458,310,398 and 5,723,990,166,034.50
Half scale
Find fourth proportional to 40,454,638,912,780, 55,817,833,241,592 and 22,895,960,664,138
Double scale
Find fourth proportional to 20,227,319,456,391, 27,908,916,620,797.38 and 11,447,980,332,070
Similar ratio
Find fourth proportional to 30,340,979,184,585, 41,863,374,931,194 and 17,171,970,498,103.50
1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.