Home / 451,027,930.54-676,555,892.61-214,625,652.70

Finding the Fourth Proportional to 451,027,930.54, 676,555,892.61 and 214,625,652.70

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Solution

The fourth proportional to 451,027,930.54, 676,555,892.61 and 214,625,652.70 is: 321,945,139.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    451,027,930.54 : 676,555,892.61 = 214,625,652.70 : x
  2. Step 2: Convert to fraction form
    451,027,930.54/676,555,892.61 = 214,625,652.70/x
  3. Step 3: Cross multiply
    451,027,930.54x = 676,555,892.61 × 214,625,652.70
  4. Step 4: Simplify right side
    451,027,930.54x = 145,206,250,039,452,352
  5. Step 5: Solve for x
    x = 145,206,250,039,452,352/451,027,930.54
  6. Step 6: Final answer
    x = 321,945,139.55

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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.