Home / 662,217,095.88-913,887,784.98-368,861,793.48

Finding the Fourth Proportional to 662,217,095.88, 913,887,784.98 and 368,861,793.48

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Solution

The fourth proportional to 662,217,095.88, 913,887,784.98 and 368,861,793.48 is: 509,044,978.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    662,217,095.88 : 913,887,784.98 = 368,861,793.48 : x
  2. Step 2: Convert to fraction form
    662,217,095.88/913,887,784.98 = 368,861,793.48/x
  3. Step 3: Cross multiply
    662,217,095.88x = 913,887,784.98 × 368,861,793.48
  4. Step 4: Simplify right side
    662,217,095.88x = 337,098,287,407,187,456
  5. Step 5: Solve for x
    x = 337,098,287,407,187,456/662,217,095.88
  6. Step 6: Final answer
    x = 509,044,978.61

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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.