Home / 1,785,137,180.80-2,672,414,980.80-1,327,105,897.60

Finding the Fourth Proportional to 1,785,137,180.80, 2,672,414,980.80 and 1,327,105,897.60

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Solution

The fourth proportional to 1,785,137,180.80, 2,672,414,980.80 and 1,327,105,897.60 is: 1,986,725,569.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,785,137,180.80 : 2,672,414,980.80 = 1,327,105,897.60 : x
  2. Step 2: Convert to fraction form
    1,785,137,180.80/2,672,414,980.80 = 1,327,105,897.60/x
  3. Step 3: Cross multiply
    1,785,137,180.80x = 2,672,414,980.80 × 1,327,105,897.60
  4. Step 4: Simplify right side
    1,785,137,180.80x = 3,546,577,681,854,270,976
  5. Step 5: Solve for x
    x = 3,546,577,681,854,270,976/1,785,137,180.80
  6. Step 6: Final answer
    x = 1,986,725,569.33

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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.