Home / 284,486,545.24-392,654,589.72-172,953,686.76

Finding the Fourth Proportional to 284,486,545.24, 392,654,589.72 and 172,953,686.76

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Solution

The fourth proportional to 284,486,545.24, 392,654,589.72 and 172,953,686.76 is: 238,714,484.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    284,486,545.24 : 392,654,589.72 = 172,953,686.76 : x
  2. Step 2: Convert to fraction form
    284,486,545.24/392,654,589.72 = 172,953,686.76/x
  3. Step 3: Cross multiply
    284,486,545.24x = 392,654,589.72 × 172,953,686.76
  4. Step 4: Simplify right side
    284,486,545.24x = 67,911,058,915,309,200
  5. Step 5: Solve for x
    x = 67,911,058,915,309,200/284,486,545.24
  6. Step 6: Final answer
    x = 238,714,484.22

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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.