Finding the Fourth Proportional to 614,564,863.70, 921,847,295.55 and 614,564,863.70
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Solution
The fourth proportional to 614,564,863.70, 921,847,295.55 and 614,564,863.70 is: 921,847,295.55
Step by Step Solution
- Step 1: Write the proportion equation
614,564,863.70 : 921,847,295.55 = 614,564,863.70 : x - Step 2: Convert to fraction form
614,564,863.70/921,847,295.55 = 614,564,863.70/x - Step 3: Cross multiply
614,564,863.70x = 921,847,295.55 × 614,564,863.70 - Step 4: Simplify right side
614,564,863.70x = 566,534,957,541,899,392 - Step 5: Solve for x
x = 566,534,957,541,899,392/614,564,863.70 - Step 6: Final answer
x = 921,847,295.55
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.