Home / 313,747,801.94-470,679,152.62-129,414,719.10

Finding the Fourth Proportional to 313,747,801.94, 470,679,152.62 and 129,414,719.10

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Solution

The fourth proportional to 313,747,801.94, 470,679,152.62 and 129,414,719.10 is: 194,145,775.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    313,747,801.94 : 470,679,152.62 = 129,414,719.10 : x
  2. Step 2: Convert to fraction form
    313,747,801.94/470,679,152.62 = 129,414,719.10/x
  3. Step 3: Cross multiply
    313,747,801.94x = 470,679,152.62 × 129,414,719.10
  4. Step 4: Simplify right side
    313,747,801.94x = 60,912,810,322,543,328
  5. Step 5: Solve for x
    x = 60,912,810,322,543,328/313,747,801.94
  6. Step 6: Final answer
    x = 194,145,775.51

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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.