Home / 413,221,001.28-570,270,772.16-227,581,969.92

Finding the Fourth Proportional to 413,221,001.28, 570,270,772.16 and 227,581,969.92

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Solution

The fourth proportional to 413,221,001.28, 570,270,772.16 and 227,581,969.92 is: 314,077,322.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    413,221,001.28 : 570,270,772.16 = 227,581,969.92 : x
  2. Step 2: Convert to fraction form
    413,221,001.28/570,270,772.16 = 227,581,969.92/x
  3. Step 3: Cross multiply
    413,221,001.28x = 570,270,772.16 × 227,581,969.92
  4. Step 4: Simplify right side
    413,221,001.28x = 129,783,345,715,972,272
  5. Step 5: Solve for x
    x = 129,783,345,715,972,272/413,221,001.28
  6. Step 6: Final answer
    x = 314,077,322.58

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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.