Finding the Fourth Proportional to 453,817,474.95, 626,251,581.62 and 252,863,966.40
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Solution
The fourth proportional to 453,817,474.95, 626,251,581.62 and 252,863,966.40 is: 348,943,061.11
Step by Step Solution
- Step 1: Write the proportion equation
453,817,474.95 : 626,251,581.62 = 252,863,966.40 : x - Step 2: Convert to fraction form
453,817,474.95/626,251,581.62 = 252,863,966.40/x - Step 3: Cross multiply
453,817,474.95x = 626,251,581.62 × 252,863,966.40 - Step 4: Simplify right side
453,817,474.95x = 158,356,458,891,442,208 - Step 5: Solve for x
x = 158,356,458,891,442,208/453,817,474.95 - Step 6: Final answer
x = 348,943,061.11
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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.