Home / 531,441,911.70-797,162,867.55-447,261,657.30

Finding the Fourth Proportional to 531,441,911.70, 797,162,867.55 and 447,261,657.30

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Solution

The fourth proportional to 531,441,911.70, 797,162,867.55 and 447,261,657.30 is: 670,892,485.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    531,441,911.70 : 797,162,867.55 = 447,261,657.30 : x
  2. Step 2: Convert to fraction form
    531,441,911.70/797,162,867.55 = 447,261,657.30/x
  3. Step 3: Cross multiply
    531,441,911.70x = 797,162,867.55 × 447,261,657.30
  4. Step 4: Simplify right side
    531,441,911.70x = 356,540,385,278,433,408
  5. Step 5: Solve for x
    x = 356,540,385,278,433,408/531,441,911.70
  6. Step 6: Final answer
    x = 670,892,485.95

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Double scale
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Similar ratio
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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.