Finding the Fourth Proportional to 421,851,863.18, 582,155,368.71 and 252,306,097.99
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Solution
The fourth proportional to 421,851,863.18, 582,155,368.71 and 252,306,097.99 is: 348,182,294.13
Step by Step Solution
- Step 1: Write the proportion equation
421,851,863.18 : 582,155,368.71 = 252,306,097.99 : x - Step 2: Convert to fraction form
421,851,863.18/582,155,368.71 = 252,306,097.99/x - Step 3: Cross multiply
421,851,863.18x = 582,155,368.71 × 252,306,097.99 - Step 4: Simplify right side
421,851,863.18x = 146,881,349,503,149,856 - Step 5: Solve for x
x = 146,881,349,503,149,856/421,851,863.18 - Step 6: Final answer
x = 348,182,294.13
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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.