Home / 887,195,517.60-1,330,667,305.20-304,956,631.20

Finding the Fourth Proportional to 887,195,517.60, 1,330,667,305.20 and 304,956,631.20

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Solution

The fourth proportional to 887,195,517.60, 1,330,667,305.20 and 304,956,631.20 is: 457,391,646.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    887,195,517.60 : 1,330,667,305.20 = 304,956,631.20 : x
  2. Step 2: Convert to fraction form
    887,195,517.60/1,330,667,305.20 = 304,956,631.20/x
  3. Step 3: Cross multiply
    887,195,517.60x = 1,330,667,305.20 × 304,956,631.20
  4. Step 4: Simplify right side
    887,195,517.60x = 405,795,818,641,774,272
  5. Step 5: Solve for x
    x = 405,795,818,641,774,272/887,195,517.60
  6. Step 6: Final answer
    x = 457,391,646.59

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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.