Finding the Fourth Proportional to 508,930,963.97, 702,381,599.98 and 308,098,494.11
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Solution
The fourth proportional to 508,930,963.97, 702,381,599.98 and 308,098,494.11 is: 425,210,349.86
Step by Step Solution
- Step 1: Write the proportion equation
508,930,963.97 : 702,381,599.98 = 308,098,494.11 : x - Step 2: Convert to fraction form
508,930,963.97/702,381,599.98 = 308,098,494.11/x - Step 3: Cross multiply
508,930,963.97x = 702,381,599.98 × 308,098,494.11 - Step 4: Simplify right side
508,930,963.97x = 216,402,713,245,396,096 - Step 5: Solve for x
x = 216,402,713,245,396,096/508,930,963.97 - Step 6: Final answer
x = 425,210,349.86
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.