Home / 753,027,002.20-1,129,540,503.30-523,444,490.20

Finding the Fourth Proportional to 753,027,002.20, 1,129,540,503.30 and 523,444,490.20

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Solution

The fourth proportional to 753,027,002.20, 1,129,540,503.30 and 523,444,490.20 is: 785,166,735.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    753,027,002.20 : 1,129,540,503.30 = 523,444,490.20 : x
  2. Step 2: Convert to fraction form
    753,027,002.20/1,129,540,503.30 = 523,444,490.20/x
  3. Step 3: Cross multiply
    753,027,002.20x = 1,129,540,503.30 × 523,444,490.20
  4. Step 4: Simplify right side
    753,027,002.20x = 591,251,752,910,119,936
  5. Step 5: Solve for x
    x = 591,251,752,910,119,936/753,027,002.20
  6. Step 6: Final answer
    x = 785,166,735.30

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Double scale
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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.