Home / 410,791,708.75-566,893,042.68-222,620,001.65

Finding the Fourth Proportional to 410,791,708.75, 566,893,042.68 and 222,620,001.65

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Solution

The fourth proportional to 410,791,708.75, 566,893,042.68 and 222,620,001.65 is: 307,215,864.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    410,791,708.75 : 566,893,042.68 = 222,620,001.65 : x
  2. Step 2: Convert to fraction form
    410,791,708.75/566,893,042.68 = 222,620,001.65/x
  3. Step 3: Cross multiply
    410,791,708.75x = 566,893,042.68 × 222,620,001.65
  4. Step 4: Simplify right side
    410,791,708.75x = 126,201,730,096,795,120
  5. Step 5: Solve for x
    x = 126,201,730,096,795,120/410,791,708.75
  6. Step 6: Final answer
    x = 307,215,864.90

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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.