Home / 1,368,390,161.22-1,888,451,743.96-765,524,820.73

Finding the Fourth Proportional to 1,368,390,161.22, 1,888,451,743.96 and 765,524,820.73

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Solution

The fourth proportional to 1,368,390,161.22, 1,888,451,743.96 and 765,524,820.73 is: 1,056,465,271.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,368,390,161.22 : 1,888,451,743.96 = 765,524,820.73 : x
  2. Step 2: Convert to fraction form
    1,368,390,161.22/1,888,451,743.96 = 765,524,820.73/x
  3. Step 3: Cross multiply
    1,368,390,161.22x = 1,888,451,743.96 × 765,524,820.73
  4. Step 4: Simplify right side
    1,368,390,161.22x = 1,445,656,682,755,929,600
  5. Step 5: Solve for x
    x = 1,445,656,682,755,929,600/1,368,390,161.22
  6. Step 6: Final answer
    x = 1,056,465,271.18

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Double scale
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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.