Home / 1,010,238,121.46-1,515,399,328.11-320,130,102.26

Finding the Fourth Proportional to 1,010,238,121.46, 1,515,399,328.11 and 320,130,102.26

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Solution

The fourth proportional to 1,010,238,121.46, 1,515,399,328.11 and 320,130,102.26 is: 480,208,508.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,010,238,121.46 : 1,515,399,328.11 = 320,130,102.26 : x
  2. Step 2: Convert to fraction form
    1,010,238,121.46/1,515,399,328.11 = 320,130,102.26/x
  3. Step 3: Cross multiply
    1,010,238,121.46x = 1,515,399,328.11 × 320,130,102.26
  4. Step 4: Simplify right side
    1,010,238,121.46x = 485,124,941,872,589,568
  5. Step 5: Solve for x
    x = 485,124,941,872,589,568/1,010,238,121.46
  6. Step 6: Final answer
    x = 480,208,508.83

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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.