Home / 3,151,872,001.30-4,727,808,001.95-1,431,945,217.30

Finding the Fourth Proportional to 3,151,872,001.30, 4,727,808,001.95 and 1,431,945,217.30

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Solution

The fourth proportional to 3,151,872,001.30, 4,727,808,001.95 and 1,431,945,217.30 is: 2,147,917,825.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,151,872,001.30 : 4,727,808,001.95 = 1,431,945,217.30 : x
  2. Step 2: Convert to fraction form
    3,151,872,001.30/4,727,808,001.95 = 1,431,945,217.30/x
  3. Step 3: Cross multiply
    3,151,872,001.30x = 4,727,808,001.95 × 1,431,945,217.30
  4. Step 4: Simplify right side
    3,151,872,001.30x = 6,769,962,056,704,970,752
  5. Step 5: Solve for x
    x = 6,769,962,056,704,970,752/3,151,872,001.30
  6. Step 6: Final answer
    x = 2,147,917,825.95

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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.