Home / 398,361,072.06-597,542,719.21-152,792,980.06

Finding the Fourth Proportional to 398,361,072.06, 597,542,719.21 and 152,792,980.06

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Solution

The fourth proportional to 398,361,072.06, 597,542,719.21 and 152,792,980.06 is: 229,189,896.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    398,361,072.06 : 597,542,719.21 = 152,792,980.06 : x
  2. Step 2: Convert to fraction form
    398,361,072.06/597,542,719.21 = 152,792,980.06/x
  3. Step 3: Cross multiply
    398,361,072.06x = 597,542,719.21 × 152,792,980.06
  4. Step 4: Simplify right side
    398,361,072.06x = 91,300,332,781,251,712
  5. Step 5: Solve for x
    x = 91,300,332,781,251,712/398,361,072.06
  6. Step 6: Final answer
    x = 229,189,896.26

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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.