Home / 12,418,291,217.70-18,627,436,826.55-9,969,411,089.70

Finding the Fourth Proportional to 12,418,291,217.70, 18,627,436,826.55 and 9,969,411,089.70

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Solution

The fourth proportional to 12,418,291,217.70, 18,627,436,826.55 and 9,969,411,089.70 is: 14,954,116,634.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,418,291,217.70 : 18,627,436,826.55 = 9,969,411,089.70 : x
  2. Step 2: Convert to fraction form
    12,418,291,217.70/18,627,436,826.55 = 9,969,411,089.70/x
  3. Step 3: Cross multiply
    12,418,291,217.70x = 18,627,436,826.55 × 9,969,411,089.70
  4. Step 4: Simplify right side
    12,418,291,217.70x = 185,704,575,271,293,747,200
  5. Step 5: Solve for x
    x = 185,704,575,271,293,747,200/12,418,291,217.70
  6. Step 6: Final answer
    x = 14,954,116,634.55

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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.