Home / 313,747,817.30-470,679,175.70-129,414,734.42

Finding the Fourth Proportional to 313,747,817.30, 470,679,175.70 and 129,414,734.42

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Solution

The fourth proportional to 313,747,817.30, 470,679,175.70 and 129,414,734.42 is: 194,145,798.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    313,747,817.30 : 470,679,175.70 = 129,414,734.42 : x
  2. Step 2: Convert to fraction form
    313,747,817.30/470,679,175.70 = 129,414,734.42/x
  3. Step 3: Cross multiply
    313,747,817.30x = 470,679,175.70 × 129,414,734.42
  4. Step 4: Simplify right side
    313,747,817.30x = 60,912,820,519,592,944
  5. Step 5: Solve for x
    x = 60,912,820,519,592,944/313,747,817.30
  6. Step 6: Final answer
    x = 194,145,798.51

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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.