Home / 361,729,331.60-542,593,997.40-347,620,557.20

Finding the Fourth Proportional to 361,729,331.60, 542,593,997.40 and 347,620,557.20

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Solution

The fourth proportional to 361,729,331.60, 542,593,997.40 and 347,620,557.20 is: 521,430,835.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    361,729,331.60 : 542,593,997.40 = 347,620,557.20 : x
  2. Step 2: Convert to fraction form
    361,729,331.60/542,593,997.40 = 347,620,557.20/x
  3. Step 3: Cross multiply
    361,729,331.60x = 542,593,997.40 × 347,620,557.20
  4. Step 4: Simplify right side
    361,729,331.60x = 188,616,827,709,563,328
  5. Step 5: Solve for x
    x = 188,616,827,709,563,328/361,729,331.60
  6. Step 6: Final answer
    x = 521,430,835.80

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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.