Home / 12,890,935,188.97-17,789,491,416.24-7,175,096,950.57

Finding the Fourth Proportional to 12,890,935,188.97, 17,789,491,416.24 and 7,175,096,950.57

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Solution

The fourth proportional to 12,890,935,188.97, 17,789,491,416.24 and 7,175,096,950.57 is: 9,901,634,267.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,890,935,188.97 : 17,789,491,416.24 = 7,175,096,950.57 : x
  2. Step 2: Convert to fraction form
    12,890,935,188.97/17,789,491,416.24 = 7,175,096,950.57/x
  3. Step 3: Cross multiply
    12,890,935,188.97x = 17,789,491,416.24 × 7,175,096,950.57
  4. Step 4: Simplify right side
    12,890,935,188.97x = 127,641,325,612,812,140,544
  5. Step 5: Solve for x
    x = 127,641,325,612,812,140,544/12,890,935,188.97
  6. Step 6: Final answer
    x = 9,901,634,267.93

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Double scale
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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.