Home / 12,801,499,517.46-17,665,685,815.69-7,086,018,219.05

Finding the Fourth Proportional to 12,801,499,517.46, 17,665,685,815.69 and 7,086,018,219.05

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Solution

The fourth proportional to 12,801,499,517.46, 17,665,685,815.69 and 7,086,018,219.05 is: 9,778,492,853.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,801,499,517.46 : 17,665,685,815.69 = 7,086,018,219.05 : x
  2. Step 2: Convert to fraction form
    12,801,499,517.46/17,665,685,815.69 = 7,086,018,219.05/x
  3. Step 3: Cross multiply
    12,801,499,517.46x = 17,665,685,815.69 × 7,086,018,219.05
  4. Step 4: Simplify right side
    12,801,499,517.46x = 125,179,371,542,008,430,592
  5. Step 5: Solve for x
    x = 125,179,371,542,008,430,592/12,801,499,517.46
  6. Step 6: Final answer
    x = 9,778,492,853.22

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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.