Finding the Fourth Proportional to 552,599,757.18, 762,931,821.06 and 351,769,947.06
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Solution
The fourth proportional to 552,599,757.18, 762,931,821.06 and 351,769,947.06 is: 485,661,607.37
Step by Step Solution
- Step 1: Write the proportion equation
552,599,757.18 : 762,931,821.06 = 351,769,947.06 : x - Step 2: Convert to fraction form
552,599,757.18/762,931,821.06 = 351,769,947.06/x - Step 3: Cross multiply
552,599,757.18x = 762,931,821.06 × 351,769,947.06 - Step 4: Simplify right side
552,599,757.18x = 268,376,486,304,665,568 - Step 5: Solve for x
x = 268,376,486,304,665,568/552,599,757.18 - Step 6: Final answer
x = 485,661,607.37
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1.5x scale
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.