Finding the Fourth Proportional to 868,502,287.53, 1,302,438,065.76 and 475,319,698.70
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Solution
The fourth proportional to 868,502,287.53, 1,302,438,065.76 and 475,319,698.70 is: 712,806,952.70
Step by Step Solution
- Step 1: Write the proportion equation
868,502,287.53 : 1,302,438,065.76 = 475,319,698.70 : x - Step 2: Convert to fraction form
868,502,287.53/1,302,438,065.76 = 475,319,698.70/x - Step 3: Cross multiply
868,502,287.53x = 1,302,438,065.76 × 475,319,698.70 - Step 4: Simplify right side
868,502,287.53x = 619,074,468,985,941,760 - Step 5: Solve for x
x = 619,074,468,985,941,760/868,502,287.53 - Step 6: Final answer
x = 712,806,952.70
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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.