Home / 398,361,069.56-597,542,715.46-152,792,977.56

Finding the Fourth Proportional to 398,361,069.56, 597,542,715.46 and 152,792,977.56

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Solution

The fourth proportional to 398,361,069.56, 597,542,715.46 and 152,792,977.56 is: 229,189,892.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    398,361,069.56 : 597,542,715.46 = 152,792,977.56 : x
  2. Step 2: Convert to fraction form
    398,361,069.56/597,542,715.46 = 152,792,977.56/x
  3. Step 3: Cross multiply
    398,361,069.56x = 597,542,715.46 × 152,792,977.56
  4. Step 4: Simplify right side
    398,361,069.56x = 91,300,330,714,421,248
  5. Step 5: Solve for x
    x = 91,300,330,714,421,248/398,361,069.56
  6. Step 6: Final answer
    x = 229,189,892.51

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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.