Home / 387,027,692.40-579,745,276.20-195,659,295.60

Finding the Fourth Proportional to 387,027,692.40, 579,745,276.20 and 195,659,295.60

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Solution

The fourth proportional to 387,027,692.40, 579,745,276.20 and 195,659,295.60 is: 293,086,398.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    387,027,692.40 : 579,745,276.20 = 195,659,295.60 : x
  2. Step 2: Convert to fraction form
    387,027,692.40/579,745,276.20 = 195,659,295.60/x
  3. Step 3: Cross multiply
    387,027,692.40x = 579,745,276.20 × 195,659,295.60
  4. Step 4: Simplify right side
    387,027,692.40x = 113,432,552,368,719,456
  5. Step 5: Solve for x
    x = 113,432,552,368,719,456/387,027,692.40
  6. Step 6: Final answer
    x = 293,086,398.20

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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.