Home / 870,940,461.60-1,306,410,692.40-784,944,122.40

Finding the Fourth Proportional to 870,940,461.60, 1,306,410,692.40 and 784,944,122.40

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Solution

The fourth proportional to 870,940,461.60, 1,306,410,692.40 and 784,944,122.40 is: 1,177,416,183.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    870,940,461.60 : 1,306,410,692.40 = 784,944,122.40 : x
  2. Step 2: Convert to fraction form
    870,940,461.60/1,306,410,692.40 = 784,944,122.40/x
  3. Step 3: Cross multiply
    870,940,461.60x = 1,306,410,692.40 × 784,944,122.40
  4. Step 4: Simplify right side
    870,940,461.60x = 1,025,459,394,439,894,400
  5. Step 5: Solve for x
    x = 1,025,459,394,439,894,400/870,940,461.60
  6. Step 6: Final answer
    x = 1,177,416,183.60

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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.