Home / 404,928,028.40-607,392,042.60-267,178,521.20

Finding the Fourth Proportional to 404,928,028.40, 607,392,042.60 and 267,178,521.20

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Solution

The fourth proportional to 404,928,028.40, 607,392,042.60 and 267,178,521.20 is: 400,767,781.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    404,928,028.40 : 607,392,042.60 = 267,178,521.20 : x
  2. Step 2: Convert to fraction form
    404,928,028.40/607,392,042.60 = 267,178,521.20/x
  3. Step 3: Cross multiply
    404,928,028.40x = 607,392,042.60 × 267,178,521.20
  4. Step 4: Simplify right side
    404,928,028.40x = 162,282,107,730,515,392
  5. Step 5: Solve for x
    x = 162,282,107,730,515,392/404,928,028.40
  6. Step 6: Final answer
    x = 400,767,781.80

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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.