Home / 20,785,248,049.20-31,177,872,073.80-5,275,673,905.20

Finding the Fourth Proportional to 20,785,248,049.20, 31,177,872,073.80 and 5,275,673,905.20

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Solution

The fourth proportional to 20,785,248,049.20, 31,177,872,073.80 and 5,275,673,905.20 is: 7,913,510,857.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,785,248,049.20 : 31,177,872,073.80 = 5,275,673,905.20 : x
  2. Step 2: Convert to fraction form
    20,785,248,049.20/31,177,872,073.80 = 5,275,673,905.20/x
  3. Step 3: Cross multiply
    20,785,248,049.20x = 31,177,872,073.80 × 5,275,673,905.20
  4. Step 4: Simplify right side
    20,785,248,049.20x = 164,484,286,119,410,466,816
  5. Step 5: Solve for x
    x = 164,484,286,119,410,466,816/20,785,248,049.20
  6. Step 6: Final answer
    x = 7,913,510,857.80

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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.