Finding the Fourth Proportional to 512,489,400.18, 707,231,850.68 and 277,534,684.02
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Solution
The fourth proportional to 512,489,400.18, 707,231,850.68 and 277,534,684.02 is: 382,995,956.87
Step by Step Solution
- Step 1: Write the proportion equation
512,489,400.18 : 707,231,850.68 = 277,534,684.02 : x - Step 2: Convert to fraction form
512,489,400.18/707,231,850.68 = 277,534,684.02/x - Step 3: Cross multiply
512,489,400.18x = 707,231,850.68 × 277,534,684.02 - Step 4: Simplify right side
512,489,400.18x = 196,281,368,207,353,600 - Step 5: Solve for x
x = 196,281,368,207,353,600/512,489,400.18 - Step 6: Final answer
x = 382,995,956.87
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.