Home / 313,260,010.80-469,890,016.20-266,902,609.20

Finding the Fourth Proportional to 313,260,010.80, 469,890,016.20 and 266,902,609.20

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Solution

The fourth proportional to 313,260,010.80, 469,890,016.20 and 266,902,609.20 is: 400,353,913.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    313,260,010.80 : 469,890,016.20 = 266,902,609.20 : x
  2. Step 2: Convert to fraction form
    313,260,010.80/469,890,016.20 = 266,902,609.20/x
  3. Step 3: Cross multiply
    313,260,010.80x = 469,890,016.20 × 266,902,609.20
  4. Step 4: Simplify right side
    313,260,010.80x = 125,414,871,360,810,256
  5. Step 5: Solve for x
    x = 125,414,871,360,810,256/313,260,010.80
  6. Step 6: Final answer
    x = 400,353,913.80

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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.