Home / 361,729,025.60-542,593,538.40-347,620,251.20

Finding the Fourth Proportional to 361,729,025.60, 542,593,538.40 and 347,620,251.20

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Solution

The fourth proportional to 361,729,025.60, 542,593,538.40 and 347,620,251.20 is: 521,430,376.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    361,729,025.60 : 542,593,538.40 = 347,620,251.20 : x
  2. Step 2: Convert to fraction form
    361,729,025.60/542,593,538.40 = 347,620,251.20/x
  3. Step 3: Cross multiply
    361,729,025.60x = 542,593,538.40 × 347,620,251.20
  4. Step 4: Simplify right side
    361,729,025.60x = 188,616,502,118,104,832
  5. Step 5: Solve for x
    x = 188,616,502,118,104,832/361,729,025.60
  6. Step 6: Final answer
    x = 521,430,376.80

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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.