Home / 1,247,510,801.60-1,869,250,663.20-786,624,171.20

Finding the Fourth Proportional to 1,247,510,801.60, 1,869,250,663.20 and 786,624,171.20

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Solution

The fourth proportional to 1,247,510,801.60, 1,869,250,663.20 and 786,624,171.20 is: 1,178,665,348.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,247,510,801.60 : 1,869,250,663.20 = 786,624,171.20 : x
  2. Step 2: Convert to fraction form
    1,247,510,801.60/1,869,250,663.20 = 786,624,171.20/x
  3. Step 3: Cross multiply
    1,247,510,801.60x = 1,869,250,663.20 × 786,624,171.20
  4. Step 4: Simplify right side
    1,247,510,801.60x = 1,470,397,753,704,750,592
  5. Step 5: Solve for x
    x = 1,470,397,753,704,750,592/1,247,510,801.60
  6. Step 6: Final answer
    x = 1,178,665,348.48

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1.5x scale

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.