Home / 887,195,540.60-1,330,667,339.70-304,956,654.20

Finding the Fourth Proportional to 887,195,540.60, 1,330,667,339.70 and 304,956,654.20

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Solution

The fourth proportional to 887,195,540.60, 1,330,667,339.70 and 304,956,654.20 is: 457,391,681.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    887,195,540.60 : 1,330,667,339.70 = 304,956,654.20 : x
  2. Step 2: Convert to fraction form
    887,195,540.60/1,330,667,339.70 = 304,956,654.20/x
  3. Step 3: Cross multiply
    887,195,540.60x = 1,330,667,339.70 × 304,956,654.20
  4. Step 4: Simplify right side
    887,195,540.60x = 405,795,859,768,126,848
  5. Step 5: Solve for x
    x = 405,795,859,768,126,848/887,195,540.60
  6. Step 6: Final answer
    x = 457,391,681.09

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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.