Finding the Fourth Proportional to 354,461,134.80, 532,239,132.60 and 193,217,998.80
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Solution
The fourth proportional to 354,461,134.80, 532,239,132.60 and 193,217,998.80 is: 290,125,404.42
Step by Step Solution
- Step 1: Write the proportion equation
354,461,134.80 : 532,239,132.60 = 193,217,998.80 : x - Step 2: Convert to fraction form
354,461,134.80/532,239,132.60 = 193,217,998.80/x - Step 3: Cross multiply
354,461,134.80x = 532,239,132.60 × 193,217,998.80 - Step 4: Simplify right side
354,461,134.80x = 102,838,180,084,019,856 - Step 5: Solve for x
x = 102,838,180,084,019,856/354,461,134.80 - Step 6: Final answer
x = 290,125,404.42
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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.