Home / 317,195,635.35-475,782,983.51-130,443,115.35

Finding the Fourth Proportional to 317,195,635.35, 475,782,983.51 and 130,443,115.35

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Solution

The fourth proportional to 317,195,635.35, 475,782,983.51 and 130,443,115.35 is: 195,660,367.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    317,195,635.35 : 475,782,983.51 = 130,443,115.35 : x
  2. Step 2: Convert to fraction form
    317,195,635.35/475,782,983.51 = 130,443,115.35/x
  3. Step 3: Cross multiply
    317,195,635.35x = 475,782,983.51 × 130,443,115.35
  4. Step 4: Simplify right side
    317,195,635.35x = 62,062,614,598,909,856
  5. Step 5: Solve for x
    x = 62,062,614,598,909,856/317,195,635.35
  6. Step 6: Final answer
    x = 195,660,367.55

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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.