Home / 398,948,030.80-598,422,046.20-245,893,022.80

Finding the Fourth Proportional to 398,948,030.80, 598,422,046.20 and 245,893,022.80

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Solution

The fourth proportional to 398,948,030.80, 598,422,046.20 and 245,893,022.80 is: 368,839,534.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    398,948,030.80 : 598,422,046.20 = 245,893,022.80 : x
  2. Step 2: Convert to fraction form
    398,948,030.80/598,422,046.20 = 245,893,022.80/x
  3. Step 3: Cross multiply
    398,948,030.80x = 598,422,046.20 × 245,893,022.80
  4. Step 4: Simplify right side
    398,948,030.80x = 147,147,805,850,279,264
  5. Step 5: Solve for x
    x = 147,147,805,850,279,264/398,948,030.80
  6. Step 6: Final answer
    x = 368,839,534.20

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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.