Finding the Fourth Proportional to 752,948,675.46, 1,039,094,374.61 and 418,435,297.07
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Solution
The fourth proportional to 752,948,675.46, 1,039,094,374.61 and 418,435,297.07 is: 577,454,715.69
Step by Step Solution
- Step 1: Write the proportion equation
752,948,675.46 : 1,039,094,374.61 = 418,435,297.07 : x - Step 2: Convert to fraction form
752,948,675.46/1,039,094,374.61 = 418,435,297.07/x - Step 3: Cross multiply
752,948,675.46x = 1,039,094,374.61 × 418,435,297.07 - Step 4: Simplify right side
752,948,675.46x = 434,793,763,319,551,808 - Step 5: Solve for x
x = 434,793,763,319,551,808/752,948,675.46 - Step 6: Final answer
x = 577,454,715.69
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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.