Home / 278,468,181,568.44-417,701,750,958.90-87,254,857,469.84

Finding the Fourth Proportional to 278,468,181,568.44, 417,701,750,958.90 and 87,254,857,469.84

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Solution

The fourth proportional to 278,468,181,568.44, 417,701,750,958.90 and 87,254,857,469.84 is: 130,882,122,831.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    278,468,181,568.44 : 417,701,750,958.90 = 87,254,857,469.84 : x
  2. Step 2: Convert to fraction form
    278,468,181,568.44/417,701,750,958.90 = 87,254,857,469.84/x
  3. Step 3: Cross multiply
    278,468,181,568.44x = 417,701,750,958.90 × 87,254,857,469.84
  4. Step 4: Simplify right side
    278,468,181,568.44x = 36,446,506,744,819,340,017,664
  5. Step 5: Solve for x
    x = 36,446,506,744,819,340,017,664/278,468,181,568.44
  6. Step 6: Final answer
    x = 130,882,122,831.91

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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.