Finding the Fourth Proportional to 999,730,609.92, 1,499,551,125.12 and 272,716,988.16
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Solution
The fourth proportional to 999,730,609.92, 1,499,551,125.12 and 272,716,988.16 is: 409,063,264.02
Step by Step Solution
- Step 1: Write the proportion equation
999,730,609.92 : 1,499,551,125.12 = 272,716,988.16 : x - Step 2: Convert to fraction form
999,730,609.92/1,499,551,125.12 = 272,716,988.16/x - Step 3: Cross multiply
999,730,609.92x = 1,499,551,125.12 × 272,716,988.16 - Step 4: Simplify right side
999,730,609.92x = 408,953,066,434,665,728 - Step 5: Solve for x
x = 408,953,066,434,665,728/999,730,609.92 - Step 6: Final answer
x = 409,063,264.02
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.