Finding the Fourth Proportional to 6,643,118,577.60, 9,957,875,421.60 and 3,881,325,988.80
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Solution
The fourth proportional to 6,643,118,577.60, 9,957,875,421.60 and 3,881,325,988.80 is: 5,818,014,568.85
Step by Step Solution
- Step 1: Write the proportion equation
6,643,118,577.60 : 9,957,875,421.60 = 3,881,325,988.80 : x - Step 2: Convert to fraction form
6,643,118,577.60/9,957,875,421.60 = 3,881,325,988.80/x - Step 3: Cross multiply
6,643,118,577.60x = 9,957,875,421.60 × 3,881,325,988.80 - Step 4: Simplify right side
6,643,118,577.60x = 38,649,760,667,088,838,656 - Step 5: Solve for x
x = 38,649,760,667,088,838,656/6,643,118,577.60 - Step 6: Final answer
x = 5,818,014,568.85
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.