Home / 547,317,687.12-821,275,402.25-232,134,689.76

Finding the Fourth Proportional to 547,317,687.12, 821,275,402.25 and 232,134,689.76

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Solution

The fourth proportional to 547,317,687.12, 821,275,402.25 and 232,134,689.76 is: 348,328,795.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    547,317,687.12 : 821,275,402.25 = 232,134,689.76 : x
  2. Step 2: Convert to fraction form
    547,317,687.12/821,275,402.25 = 232,134,689.76/x
  3. Step 3: Cross multiply
    547,317,687.12x = 821,275,402.25 × 232,134,689.76
  4. Step 4: Simplify right side
    547,317,687.12x = 190,646,510,708,822,944
  5. Step 5: Solve for x
    x = 190,646,510,708,822,944/547,317,687.12
  6. Step 6: Final answer
    x = 348,328,795.50

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.