Home / 398,945,452.80-598,418,179.20-245,890,444.80

Finding the Fourth Proportional to 398,945,452.80, 598,418,179.20 and 245,890,444.80

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Solution

The fourth proportional to 398,945,452.80, 598,418,179.20 and 245,890,444.80 is: 368,835,667.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    398,945,452.80 : 598,418,179.20 = 245,890,444.80 : x
  2. Step 2: Convert to fraction form
    398,945,452.80/598,418,179.20 = 245,890,444.80/x
  3. Step 3: Cross multiply
    398,945,452.80x = 598,418,179.20 × 245,890,444.80
  4. Step 4: Simplify right side
    398,945,452.80x = 147,145,312,259,894,112
  5. Step 5: Solve for x
    x = 147,145,312,259,894,112/398,945,452.80
  6. Step 6: Final answer
    x = 368,835,667.20

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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.