Home / 404,929,439.47-558,799,844.34-219,286,206.91

Finding the Fourth Proportional to 404,929,439.47, 558,799,844.34 and 219,286,206.91

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Solution

The fourth proportional to 404,929,439.47, 558,799,844.34 and 219,286,206.91 is: 302,613,458.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    404,929,439.47 : 558,799,844.34 = 219,286,206.91 : x
  2. Step 2: Convert to fraction form
    404,929,439.47/558,799,844.34 = 219,286,206.91/x
  3. Step 3: Cross multiply
    404,929,439.47x = 558,799,844.34 × 219,286,206.91
  4. Step 4: Simplify right side
    404,929,439.47x = 122,537,098,287,217,040
  5. Step 5: Solve for x
    x = 122,537,098,287,217,040/404,929,439.47
  6. Step 6: Final answer
    x = 302,613,458.90

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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.