Home / 12,132,593,758.20-18,168,279,635.70-9,683,713,630.20

Finding the Fourth Proportional to 12,132,593,758.20, 18,168,279,635.70 and 9,683,713,630.20

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Solution

The fourth proportional to 12,132,593,758.20, 18,168,279,635.70 and 9,683,713,630.20 is: 14,501,138,062.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,132,593,758.20 : 18,168,279,635.70 = 9,683,713,630.20 : x
  2. Step 2: Convert to fraction form
    12,132,593,758.20/18,168,279,635.70 = 9,683,713,630.20/x
  3. Step 3: Cross multiply
    12,132,593,758.20x = 18,168,279,635.70 × 9,683,713,630.20
  4. Step 4: Simplify right side
    12,132,593,758.20x = 175,936,417,145,513,213,952
  5. Step 5: Solve for x
    x = 175,936,417,145,513,213,952/12,132,593,758.20
  6. Step 6: Final answer
    x = 14,501,138,062.63

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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.