Home / 757,980,086.10-1,136,970,129.15-369,603,003.30

Finding the Fourth Proportional to 757,980,086.10, 1,136,970,129.15 and 369,603,003.30

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Solution

The fourth proportional to 757,980,086.10, 1,136,970,129.15 and 369,603,003.30 is: 554,404,504.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    757,980,086.10 : 1,136,970,129.15 = 369,603,003.30 : x
  2. Step 2: Convert to fraction form
    757,980,086.10/1,136,970,129.15 = 369,603,003.30/x
  3. Step 3: Cross multiply
    757,980,086.10x = 1,136,970,129.15 × 369,603,003.30
  4. Step 4: Simplify right side
    757,980,086.10x = 420,227,574,396,228,928
  5. Step 5: Solve for x
    x = 420,227,574,396,228,928/757,980,086.10
  6. Step 6: Final answer
    x = 554,404,504.95

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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.