Finding the Fourth Proportional to 542,497,852.71, 813,746,779.07 and 159,545,404.71
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Solution
The fourth proportional to 542,497,852.71, 813,746,779.07 and 159,545,404.71 is: 239,318,107.07
Step by Step Solution
- Step 1: Write the proportion equation
542,497,852.71 : 813,746,779.07 = 159,545,404.71 : x - Step 2: Convert to fraction form
542,497,852.71/813,746,779.07 = 159,545,404.71/x - Step 3: Cross multiply
542,497,852.71x = 813,746,779.07 × 159,545,404.71 - Step 4: Simplify right side
542,497,852.71x = 129,829,559,197,384,400 - Step 5: Solve for x
x = 129,829,559,197,384,400/542,497,852.71 - Step 6: Final answer
x = 239,318,107.07
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Similar ratio
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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.