Home / 654,127,968.82-981,327,372.28-265,950,865.30

Finding the Fourth Proportional to 654,127,968.82, 981,327,372.28 and 265,950,865.30

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Solution

The fourth proportional to 654,127,968.82, 981,327,372.28 and 265,950,865.30 is: 398,981,355.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    654,127,968.82 : 981,327,372.28 = 265,950,865.30 : x
  2. Step 2: Convert to fraction form
    654,127,968.82/981,327,372.28 = 265,950,865.30/x
  3. Step 3: Cross multiply
    654,127,968.82x = 981,327,372.28 × 265,950,865.30
  4. Step 4: Simplify right side
    654,127,968.82x = 260,984,863,800,441,248
  5. Step 5: Solve for x
    x = 260,984,863,800,441,248/654,127,968.82
  6. Step 6: Final answer
    x = 398,981,355.70

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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.