Home / 12,131,658,052.90-18,197,487,079.35-9,927,665,937.70

Finding the Fourth Proportional to 12,131,658,052.90, 18,197,487,079.35 and 9,927,665,937.70

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Solution

The fourth proportional to 12,131,658,052.90, 18,197,487,079.35 and 9,927,665,937.70 is: 14,891,498,906.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,131,658,052.90 : 18,197,487,079.35 = 9,927,665,937.70 : x
  2. Step 2: Convert to fraction form
    12,131,658,052.90/18,197,487,079.35 = 9,927,665,937.70/x
  3. Step 3: Cross multiply
    12,131,658,052.90x = 18,197,487,079.35 × 9,927,665,937.70
  4. Step 4: Simplify right side
    12,131,658,052.90x = 180,658,572,629,398,847,488
  5. Step 5: Solve for x
    x = 180,658,572,629,398,847,488/12,131,658,052.90
  6. Step 6: Final answer
    x = 14,891,498,906.55

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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.