Home / 1,028,438,229.60-1,542,657,344.40-718,501,838.40

Finding the Fourth Proportional to 1,028,438,229.60, 1,542,657,344.40 and 718,501,838.40

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Solution

The fourth proportional to 1,028,438,229.60, 1,542,657,344.40 and 718,501,838.40 is: 1,077,752,757.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,028,438,229.60 : 1,542,657,344.40 = 718,501,838.40 : x
  2. Step 2: Convert to fraction form
    1,028,438,229.60/1,542,657,344.40 = 718,501,838.40/x
  3. Step 3: Cross multiply
    1,028,438,229.60x = 1,542,657,344.40 × 718,501,838.40
  4. Step 4: Simplify right side
    1,028,438,229.60x = 1,108,402,137,972,662,016
  5. Step 5: Solve for x
    x = 1,108,402,137,972,662,016/1,028,438,229.60
  6. Step 6: Final answer
    x = 1,077,752,757.60

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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.