Home / 2,103,542,893.60-3,149,267,722.80-1,287,249,517.60

Finding the Fourth Proportional to 2,103,542,893.60, 3,149,267,722.80 and 1,287,249,517.60

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Solution

The fourth proportional to 2,103,542,893.60, 3,149,267,722.80 and 1,287,249,517.60 is: 1,927,174,087.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,103,542,893.60 : 3,149,267,722.80 = 1,287,249,517.60 : x
  2. Step 2: Convert to fraction form
    2,103,542,893.60/3,149,267,722.80 = 1,287,249,517.60/x
  3. Step 3: Cross multiply
    2,103,542,893.60x = 3,149,267,722.80 × 1,287,249,517.60
  4. Step 4: Simplify right side
    2,103,542,893.60x = 4,053,893,356,967,550,464
  5. Step 5: Solve for x
    x = 4,053,893,356,967,550,464/2,103,542,893.60
  6. Step 6: Final answer
    x = 1,927,174,087.73

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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.