Home / 20,194,885,672.20-30,292,328,508.30-11,826,603,109.80

Finding the Fourth Proportional to 20,194,885,672.20, 30,292,328,508.30 and 11,826,603,109.80

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Solution

The fourth proportional to 20,194,885,672.20, 30,292,328,508.30 and 11,826,603,109.80 is: 17,739,904,664.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,194,885,672.20 : 30,292,328,508.30 = 11,826,603,109.80 : x
  2. Step 2: Convert to fraction form
    20,194,885,672.20/30,292,328,508.30 = 11,826,603,109.80/x
  3. Step 3: Cross multiply
    20,194,885,672.20x = 30,292,328,508.30 × 11,826,603,109.80
  4. Step 4: Simplify right side
    20,194,885,672.20x = 358,255,346,539,343,970,304
  5. Step 5: Solve for x
    x = 358,255,346,539,343,970,304/20,194,885,672.20
  6. Step 6: Final answer
    x = 17,739,904,664.70

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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.