Home / 11,971,414,780.58-16,521,128,206.89-6,618,876,097.70

Finding the Fourth Proportional to 11,971,414,780.58, 16,521,128,206.89 and 6,618,876,097.70

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Solution

The fourth proportional to 11,971,414,780.58, 16,521,128,206.89 and 6,618,876,097.70 is: 9,134,367,374.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,971,414,780.58 : 16,521,128,206.89 = 6,618,876,097.70 : x
  2. Step 2: Convert to fraction form
    11,971,414,780.58/16,521,128,206.89 = 6,618,876,097.70/x
  3. Step 3: Cross multiply
    11,971,414,780.58x = 16,521,128,206.89 × 6,618,876,097.70
  4. Step 4: Simplify right side
    11,971,414,780.58x = 109,351,300,595,621,478,400
  5. Step 5: Solve for x
    x = 109,351,300,595,621,478,400/11,971,414,780.58
  6. Step 6: Final answer
    x = 9,134,367,374.27

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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.