Home / 1,368,390,163.60-1,888,451,747.25-765,524,823.11

Finding the Fourth Proportional to 1,368,390,163.60, 1,888,451,747.25 and 765,524,823.11

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Solution

The fourth proportional to 1,368,390,163.60, 1,888,451,747.25 and 765,524,823.11 is: 1,056,465,274.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,368,390,163.60 : 1,888,451,747.25 = 765,524,823.11 : x
  2. Step 2: Convert to fraction form
    1,368,390,163.60/1,888,451,747.25 = 765,524,823.11/x
  3. Step 3: Cross multiply
    1,368,390,163.60x = 1,888,451,747.25 × 765,524,823.11
  4. Step 4: Simplify right side
    1,368,390,163.60x = 1,445,656,689,761,498,880
  5. Step 5: Solve for x
    x = 1,445,656,689,761,498,880/1,368,390,163.60
  6. Step 6: Final answer
    x = 1,056,465,274.47

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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.