Home / 28,278,469,533.24-42,422,062,780.32-9,641,606,909.88

Finding the Fourth Proportional to 28,278,469,533.24, 42,422,062,780.32 and 9,641,606,909.88

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Solution

The fourth proportional to 28,278,469,533.24, 42,422,062,780.32 and 9,641,606,909.88 is: 14,463,896,398.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,278,469,533.24 : 42,422,062,780.32 = 9,641,606,909.88 : x
  2. Step 2: Convert to fraction form
    28,278,469,533.24/42,422,062,780.32 = 9,641,606,909.88/x
  3. Step 3: Cross multiply
    28,278,469,533.24x = 42,422,062,780.32 × 9,641,606,909.88
  4. Step 4: Simplify right side
    28,278,469,533.24x = 409,016,853,634,096,431,104
  5. Step 5: Solve for x
    x = 409,016,853,634,096,431,104/28,278,469,533.24
  6. Step 6: Final answer
    x = 14,463,896,398.40

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.