Home / 11,971,414,780.08-16,521,128,206.20-6,618,876,097.20

Finding the Fourth Proportional to 11,971,414,780.08, 16,521,128,206.20 and 6,618,876,097.20

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Solution

The fourth proportional to 11,971,414,780.08, 16,521,128,206.20 and 6,618,876,097.20 is: 9,134,367,373.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,971,414,780.08 : 16,521,128,206.20 = 6,618,876,097.20 : x
  2. Step 2: Convert to fraction form
    11,971,414,780.08/16,521,128,206.20 = 6,618,876,097.20/x
  3. Step 3: Cross multiply
    11,971,414,780.08x = 16,521,128,206.20 × 6,618,876,097.20
  4. Step 4: Simplify right side
    11,971,414,780.08x = 109,351,300,582,793,887,744
  5. Step 5: Solve for x
    x = 109,351,300,582,793,887,744/11,971,414,780.08
  6. Step 6: Final answer
    x = 9,134,367,373.58

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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.