Home / 413,387,018.57-570,472,365.17-225,214,726.62

Finding the Fourth Proportional to 413,387,018.57, 570,472,365.17 and 225,214,726.62

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Solution

The fourth proportional to 413,387,018.57, 570,472,365.17 and 225,214,726.62 is: 310,795,385.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    413,387,018.57 : 570,472,365.17 = 225,214,726.62 : x
  2. Step 2: Convert to fraction form
    413,387,018.57/570,472,365.17 = 225,214,726.62/x
  3. Step 3: Cross multiply
    413,387,018.57x = 570,472,365.17 × 225,214,726.62
  4. Step 4: Simplify right side
    413,387,018.57x = 128,478,777,764,900,288
  5. Step 5: Solve for x
    x = 128,478,777,764,900,288/413,387,018.57
  6. Step 6: Final answer
    x = 310,795,385.42

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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.