Home / 343,928,009.60-515,892,014.40-267,306,027.20

Finding the Fourth Proportional to 343,928,009.60, 515,892,014.40 and 267,306,027.20

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Solution

The fourth proportional to 343,928,009.60, 515,892,014.40 and 267,306,027.20 is: 400,959,040.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    343,928,009.60 : 515,892,014.40 = 267,306,027.20 : x
  2. Step 2: Convert to fraction form
    343,928,009.60/515,892,014.40 = 267,306,027.20/x
  3. Step 3: Cross multiply
    343,928,009.60x = 515,892,014.40 × 267,306,027.20
  4. Step 4: Simplify right side
    343,928,009.60x = 137,901,044,833,469,184
  5. Step 5: Solve for x
    x = 137,901,044,833,469,184/343,928,009.60
  6. Step 6: Final answer
    x = 400,959,040.80

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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.