Home / 905,449,546.52-1,358,172,624.60-283,712,375.36

Finding the Fourth Proportional to 905,449,546.52, 1,358,172,624.60 and 283,712,375.36

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Solution

The fourth proportional to 905,449,546.52, 1,358,172,624.60 and 283,712,375.36 is: 425,568,031.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    905,449,546.52 : 1,358,172,624.60 = 283,712,375.36 : x
  2. Step 2: Convert to fraction form
    905,449,546.52/1,358,172,624.60 = 283,712,375.36/x
  3. Step 3: Cross multiply
    905,449,546.52x = 1,358,172,624.60 × 283,712,375.36
  4. Step 4: Simplify right side
    905,449,546.52x = 385,330,381,474,191,552
  5. Step 5: Solve for x
    x = 385,330,381,474,191,552/905,449,546.52
  6. Step 6: Final answer
    x = 425,568,031.87

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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.