Home / 423,768,753.40-635,310,104.51-132,485,941.30

Finding the Fourth Proportional to 423,768,753.40, 635,310,104.51 and 132,485,941.30

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Solution

The fourth proportional to 423,768,753.40, 635,310,104.51 and 132,485,941.30 is: 198,621,669.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    423,768,753.40 : 635,310,104.51 = 132,485,941.30 : x
  2. Step 2: Convert to fraction form
    423,768,753.40/635,310,104.51 = 132,485,941.30/x
  3. Step 3: Cross multiply
    423,768,753.40x = 635,310,104.51 × 132,485,941.30
  4. Step 4: Simplify right side
    423,768,753.40x = 84,169,657,213,408,720
  5. Step 5: Solve for x
    x = 84,169,657,213,408,720/423,768,753.40
  6. Step 6: Final answer
    x = 198,621,669.34

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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.