Home / 20,785,248,000.70-31,177,872,001.05-5,275,673,856.70

Finding the Fourth Proportional to 20,785,248,000.70, 31,177,872,001.05 and 5,275,673,856.70

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Solution

The fourth proportional to 20,785,248,000.70, 31,177,872,001.05 and 5,275,673,856.70 is: 7,913,510,785.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,785,248,000.70 : 31,177,872,001.05 = 5,275,673,856.70 : x
  2. Step 2: Convert to fraction form
    20,785,248,000.70/31,177,872,001.05 = 5,275,673,856.70/x
  3. Step 3: Cross multiply
    20,785,248,000.70x = 31,177,872,001.05 × 5,275,673,856.70
  4. Step 4: Simplify right side
    20,785,248,000.70x = 164,484,284,223,478,398,976
  5. Step 5: Solve for x
    x = 164,484,284,223,478,398,976/20,785,248,000.70
  6. Step 6: Final answer
    x = 7,913,510,785.05

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Double scale
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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.