Home / 391,229,076.60-586,843,614.90-276,437,820.60

Finding the Fourth Proportional to 391,229,076.60, 586,843,614.90 and 276,437,820.60

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Solution

The fourth proportional to 391,229,076.60, 586,843,614.90 and 276,437,820.60 is: 414,656,730.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    391,229,076.60 : 586,843,614.90 = 276,437,820.60 : x
  2. Step 2: Convert to fraction form
    391,229,076.60/586,843,614.90 = 276,437,820.60/x
  3. Step 3: Cross multiply
    391,229,076.60x = 586,843,614.90 × 276,437,820.60
  4. Step 4: Simplify right side
    391,229,076.60x = 162,225,769,935,981,696
  5. Step 5: Solve for x
    x = 162,225,769,935,981,696/391,229,076.60
  6. Step 6: Final answer
    x = 414,656,730.90

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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.