Finding the Fourth Proportional to 7,279,489,611.19, 10,045,597,442.40 and 4,064,449,122.81
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Solution
The fourth proportional to 7,279,489,611.19, 10,045,597,442.40 and 4,064,449,122.81 is: 5,608,884,948.49
Step by Step Solution
- Step 1: Write the proportion equation
7,279,489,611.19 : 10,045,597,442.40 = 4,064,449,122.81 : x - Step 2: Convert to fraction form
7,279,489,611.19/10,045,597,442.40 = 4,064,449,122.81/x - Step 3: Cross multiply
7,279,489,611.19x = 10,045,597,442.40 × 4,064,449,122.81 - Step 4: Simplify right side
7,279,489,611.19x = 40,829,819,712,865,058,816 - Step 5: Solve for x
x = 40,829,819,712,865,058,816/7,279,489,611.19 - Step 6: Final answer
x = 5,608,884,948.49
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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.