Home / 313,747,707.06-470,679,010.44-129,414,624.21

Finding the Fourth Proportional to 313,747,707.06, 470,679,010.44 and 129,414,624.21

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Solution

The fourth proportional to 313,747,707.06, 470,679,010.44 and 129,414,624.21 is: 194,145,633.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    313,747,707.06 : 470,679,010.44 = 129,414,624.21 : x
  2. Step 2: Convert to fraction form
    313,747,707.06/470,679,010.44 = 129,414,624.21/x
  3. Step 3: Cross multiply
    313,747,707.06x = 470,679,010.44 × 129,414,624.21
  4. Step 4: Simplify right side
    313,747,707.06x = 60,912,747,259,627,264
  5. Step 5: Solve for x
    x = 60,912,747,259,627,264/313,747,707.06
  6. Step 6: Final answer
    x = 194,145,633.22

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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.