Home / 731,228,966.91-1,009,097,930.21-396,701,489.35

Finding the Fourth Proportional to 731,228,966.91, 1,009,097,930.21 and 396,701,489.35

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Solution

The fourth proportional to 731,228,966.91, 1,009,097,930.21 and 396,701,489.35 is: 547,449,116.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    731,228,966.91 : 1,009,097,930.21 = 396,701,489.35 : x
  2. Step 2: Convert to fraction form
    731,228,966.91/1,009,097,930.21 = 396,701,489.35/x
  3. Step 3: Cross multiply
    731,228,966.91x = 1,009,097,930.21 × 396,701,489.35
  4. Step 4: Simplify right side
    731,228,966.91x = 400,310,651,814,309,376
  5. Step 5: Solve for x
    x = 400,310,651,814,309,376/731,228,966.91
  6. Step 6: Final answer
    x = 547,449,116.39

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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.