Home / 15,945,647,708.71-22,005,002,666.80-8,613,000,422.55

Finding the Fourth Proportional to 15,945,647,708.71, 22,005,002,666.80 and 8,613,000,422.55

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Solution

The fourth proportional to 15,945,647,708.71, 22,005,002,666.80 and 8,613,000,422.55 is: 11,885,945,351.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,945,647,708.71 : 22,005,002,666.80 = 8,613,000,422.55 : x
  2. Step 2: Convert to fraction form
    15,945,647,708.71/22,005,002,666.80 = 8,613,000,422.55/x
  3. Step 3: Cross multiply
    15,945,647,708.71x = 22,005,002,666.80 × 8,613,000,422.55
  4. Step 4: Simplify right side
    15,945,647,708.71x = 189,529,097,267,404,832,768
  5. Step 5: Solve for x
    x = 189,529,097,267,404,832,768/15,945,647,708.71
  6. Step 6: Final answer
    x = 11,885,945,351.96

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.