Home / 749,040,010.40-1,123,560,015.60-264,414,807.20

Finding the Fourth Proportional to 749,040,010.40, 1,123,560,015.60 and 264,414,807.20

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Solution

The fourth proportional to 749,040,010.40, 1,123,560,015.60 and 264,414,807.20 is: 396,622,210.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    749,040,010.40 : 1,123,560,015.60 = 264,414,807.20 : x
  2. Step 2: Convert to fraction form
    749,040,010.40/1,123,560,015.60 = 264,414,807.20/x
  3. Step 3: Cross multiply
    749,040,010.40x = 1,123,560,015.60 × 264,414,807.20
  4. Step 4: Simplify right side
    749,040,010.40x = 297,085,904,902,502,976
  5. Step 5: Solve for x
    x = 297,085,904,902,502,976/749,040,010.40
  6. Step 6: Final answer
    x = 396,622,210.80

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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.