Home / 386,885,726.43-579,791,686.70-176,281,724.49

Finding the Fourth Proportional to 386,885,726.43, 579,791,686.70 and 176,281,724.49

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Solution

The fourth proportional to 386,885,726.43, 579,791,686.70 and 176,281,724.49 is: 264,177,950.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    386,885,726.43 : 579,791,686.70 = 176,281,724.49 : x
  2. Step 2: Convert to fraction form
    386,885,726.43/579,791,686.70 = 176,281,724.49/x
  3. Step 3: Cross multiply
    386,885,726.43x = 579,791,686.70 × 176,281,724.49
  4. Step 4: Simplify right side
    386,885,726.43x = 102,206,678,375,560,400
  5. Step 5: Solve for x
    x = 102,206,678,375,560,400/386,885,726.43
  6. Step 6: Final answer
    x = 264,177,950.73

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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.