Home / 15,427,443,465-21,290,050,747.08-8,560,981,063.44

Finding the Fourth Proportional to 15,427,443,465, 21,290,050,747.08 and 8,560,981,063.44

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Solution

The fourth proportional to 15,427,443,465, 21,290,050,747.08 and 8,560,981,063.44 is: 11,814,253,067.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,427,443,465 : 21,290,050,747.08 = 8,560,981,063.44 : x
  2. Step 2: Convert to fraction form
    15,427,443,465/21,290,050,747.08 = 8,560,981,063.44/x
  3. Step 3: Cross multiply
    15,427,443,465x = 21,290,050,747.08 × 8,560,981,063.44
  4. Step 4: Simplify right side
    15,427,443,465x = 182,263,721,285,428,510,720
  5. Step 5: Solve for x
    x = 182,263,721,285,428,510,720/15,427,443,465
  6. Step 6: Final answer
    x = 11,814,253,067.85

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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.