Home / 817,227,301.10-1,127,797,602.28-445,973,261.90

Finding the Fourth Proportional to 817,227,301.10, 1,127,797,602.28 and 445,973,261.90

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Solution

The fourth proportional to 817,227,301.10, 1,127,797,602.28 and 445,973,261.90 is: 615,456,158.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    817,227,301.10 : 1,127,797,602.28 = 445,973,261.90 : x
  2. Step 2: Convert to fraction form
    817,227,301.10/1,127,797,602.28 = 445,973,261.90/x
  3. Step 3: Cross multiply
    817,227,301.10x = 1,127,797,602.28 × 445,973,261.90
  4. Step 4: Simplify right side
    817,227,301.10x = 502,967,575,451,810,432
  5. Step 5: Solve for x
    x = 502,967,575,451,810,432/817,227,301.10
  6. Step 6: Final answer
    x = 615,456,158.62

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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.