Home / 40,782,376,129.44-56,272,207,967.46-22,717,442,781.54

Finding the Fourth Proportional to 40,782,376,129.44, 56,272,207,967.46 and 22,717,442,781.54

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Solution

The fourth proportional to 40,782,376,129.44, 56,272,207,967.46 and 22,717,442,781.54 is: 31,345,909,336.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,782,376,129.44 : 56,272,207,967.46 = 22,717,442,781.54 : x
  2. Step 2: Convert to fraction form
    40,782,376,129.44/56,272,207,967.46 = 22,717,442,781.54/x
  3. Step 3: Cross multiply
    40,782,376,129.44x = 56,272,207,967.46 × 22,717,442,781.54
  4. Step 4: Simplify right side
    40,782,376,129.44x = 1,278,360,664,691,692,011,520
  5. Step 5: Solve for x
    x = 1,278,360,664,691,692,011,520/40,782,376,129.44
  6. Step 6: Final answer
    x = 31,345,909,336.78

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.