Home / 409,068,489.23-564,516,239.10-230,454,520.59

Finding the Fourth Proportional to 409,068,489.23, 564,516,239.10 and 230,454,520.59

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Solution

The fourth proportional to 409,068,489.23, 564,516,239.10 and 230,454,520.59 is: 318,028,209.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    409,068,489.23 : 564,516,239.10 = 230,454,520.59 : x
  2. Step 2: Convert to fraction form
    409,068,489.23/564,516,239.10 = 230,454,520.59/x
  3. Step 3: Cross multiply
    409,068,489.23x = 564,516,239.10 × 230,454,520.59
  4. Step 4: Simplify right side
    409,068,489.23x = 130,095,319,246,436,896
  5. Step 5: Solve for x
    x = 130,095,319,246,436,896/409,068,489.23
  6. Step 6: Final answer
    x = 318,028,209.63

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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.