Home / 325,904,999.10-488,857,498.65-141,760,692.60

Finding the Fourth Proportional to 325,904,999.10, 488,857,498.65 and 141,760,692.60

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Solution

The fourth proportional to 325,904,999.10, 488,857,498.65 and 141,760,692.60 is: 212,641,038.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    325,904,999.10 : 488,857,498.65 = 141,760,692.60 : x
  2. Step 2: Convert to fraction form
    325,904,999.10/488,857,498.65 = 141,760,692.60/x
  3. Step 3: Cross multiply
    325,904,999.10x = 488,857,498.65 × 141,760,692.60
  4. Step 4: Simplify right side
    325,904,999.10x = 69,300,777,591,327,560
  5. Step 5: Solve for x
    x = 69,300,777,591,327,560/325,904,999.10
  6. Step 6: Final answer
    x = 212,641,038.90

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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.