Home / 28,181,610,379.52-38,888,322,177.44-16,592,387,919.04

Finding the Fourth Proportional to 28,181,610,379.52, 38,888,322,177.44 and 16,592,387,919.04

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Solution

The fourth proportional to 28,181,610,379.52, 38,888,322,177.44 and 16,592,387,919.04 is: 22,896,141,079.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,181,610,379.52 : 38,888,322,177.44 = 16,592,387,919.04 : x
  2. Step 2: Convert to fraction form
    28,181,610,379.52/38,888,322,177.44 = 16,592,387,919.04/x
  3. Step 3: Cross multiply
    28,181,610,379.52x = 38,888,322,177.44 × 16,592,387,919.04
  4. Step 4: Simplify right side
    28,181,610,379.52x = 645,250,127,088,690,790,400
  5. Step 5: Solve for x
    x = 645,250,127,088,690,790,400/28,181,610,379.52
  6. Step 6: Final answer
    x = 22,896,141,079.21

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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.