Home / 398,361,071.06-597,542,717.71-152,792,979.06

Finding the Fourth Proportional to 398,361,071.06, 597,542,717.71 and 152,792,979.06

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Solution

The fourth proportional to 398,361,071.06, 597,542,717.71 and 152,792,979.06 is: 229,189,894.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    398,361,071.06 : 597,542,717.71 = 152,792,979.06 : x
  2. Step 2: Convert to fraction form
    398,361,071.06/597,542,717.71 = 152,792,979.06/x
  3. Step 3: Cross multiply
    398,361,071.06x = 597,542,717.71 × 152,792,979.06
  4. Step 4: Simplify right side
    398,361,071.06x = 91,300,331,954,519,536
  5. Step 5: Solve for x
    x = 91,300,331,954,519,536/398,361,071.06
  6. Step 6: Final answer
    x = 229,189,894.76

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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.