Home / 320,379,351.10-480,587,525.73-123,643,785.22

Finding the Fourth Proportional to 320,379,351.10, 480,587,525.73 and 123,643,785.22

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Solution

The fourth proportional to 320,379,351.10, 480,587,525.73 and 123,643,785.22 is: 185,472,817.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    320,379,351.10 : 480,587,525.73 = 123,643,785.22 : x
  2. Step 2: Convert to fraction form
    320,379,351.10/480,587,525.73 = 123,643,785.22/x
  3. Step 3: Cross multiply
    320,379,351.10x = 480,587,525.73 × 123,643,785.22
  4. Step 4: Simplify right side
    320,379,351.10x = 59,421,660,809,569,880
  5. Step 5: Solve for x
    x = 59,421,660,809,569,880/320,379,351.10
  6. Step 6: Final answer
    x = 185,472,817.17

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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.