Home / 15,175,438,727.52-20,944,297,067.76-8,744,027,411.28

Finding the Fourth Proportional to 15,175,438,727.52, 20,944,297,067.76 and 8,744,027,411.28

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Solution

The fourth proportional to 15,175,438,727.52, 20,944,297,067.76 and 8,744,027,411.28 is: 12,068,020,632.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,175,438,727.52 : 20,944,297,067.76 = 8,744,027,411.28 : x
  2. Step 2: Convert to fraction form
    15,175,438,727.52/20,944,297,067.76 = 8,744,027,411.28/x
  3. Step 3: Cross multiply
    15,175,438,727.52x = 20,944,297,067.76 × 8,744,027,411.28
  4. Step 4: Simplify right side
    15,175,438,727.52x = 183,137,507,670,484,779,008
  5. Step 5: Solve for x
    x = 183,137,507,670,484,779,008/15,175,438,727.52
  6. Step 6: Final answer
    x = 12,068,020,632.47

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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.