Finding the Fourth Proportional to 736,770,818.71, 1,017,202,671.12 and 468,997,793.92
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Solution
The fourth proportional to 736,770,818.71, 1,017,202,671.12 and 468,997,793.92 is: 647,509,098.63
Step by Step Solution
- Step 1: Write the proportion equation
736,770,818.71 : 1,017,202,671.12 = 468,997,793.92 : x - Step 2: Convert to fraction form
736,770,818.71/1,017,202,671.12 = 468,997,793.92/x - Step 3: Cross multiply
736,770,818.71x = 1,017,202,671.12 × 468,997,793.92 - Step 4: Simplify right side
736,770,818.71x = 477,065,808,719,725,312 - Step 5: Solve for x
x = 477,065,808,719,725,312/736,770,818.71 - Step 6: Final answer
x = 647,509,098.63
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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.