Home / 12,521,385,081.92-17,279,278,952.64-6,882,480,386.24

Finding the Fourth Proportional to 12,521,385,081.92, 17,279,278,952.64 and 6,882,480,386.24

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Solution

The fourth proportional to 12,521,385,081.92, 17,279,278,952.64 and 6,882,480,386.24 is: 9,497,695,159.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,521,385,081.92 : 17,279,278,952.64 = 6,882,480,386.24 : x
  2. Step 2: Convert to fraction form
    12,521,385,081.92/17,279,278,952.64 = 6,882,480,386.24/x
  3. Step 3: Cross multiply
    12,521,385,081.92x = 17,279,278,952.64 × 6,882,480,386.24
  4. Step 4: Simplify right side
    12,521,385,081.92x = 118,924,298,479,914,434,560
  5. Step 5: Solve for x
    x = 118,924,298,479,914,434,560/12,521,385,081.92
  6. Step 6: Final answer
    x = 9,497,695,159.27

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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.