Home / 869,974,015.44-1,200,564,074.52-473,499,847.92

Finding the Fourth Proportional to 869,974,015.44, 1,200,564,074.52 and 473,499,847.92

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Solution

The fourth proportional to 869,974,015.44, 1,200,564,074.52 and 473,499,847.92 is: 653,429,753.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    869,974,015.44 : 1,200,564,074.52 = 473,499,847.92 : x
  2. Step 2: Convert to fraction form
    869,974,015.44/1,200,564,074.52 = 473,499,847.92/x
  3. Step 3: Cross multiply
    869,974,015.44x = 1,200,564,074.52 × 473,499,847.92
  4. Step 4: Simplify right side
    869,974,015.44x = 568,466,906,703,435,584
  5. Step 5: Solve for x
    x = 568,466,906,703,435,584/869,974,015.44
  6. Step 6: Final answer
    x = 653,429,753.78

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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.