Finding the Fourth Proportional to 374,564,801.49, 516,895,618.62 and 207,301,387.47
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Solution
The fourth proportional to 374,564,801.49, 516,895,618.62 and 207,301,387.47 is: 286,073,807.50
Step by Step Solution
- Step 1: Write the proportion equation
374,564,801.49 : 516,895,618.62 = 207,301,387.47 : x - Step 2: Convert to fraction form
374,564,801.49/516,895,618.62 = 207,301,387.47/x - Step 3: Cross multiply
374,564,801.49x = 516,895,618.62 × 207,301,387.47 - Step 4: Simplify right side
374,564,801.49x = 107,153,178,917,089,968 - Step 5: Solve for x
x = 107,153,178,917,089,968/374,564,801.49 - Step 6: Final answer
x = 286,073,807.50
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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.