Home / 728,647,091.56-1,091,826,710.56-495,588,955.40

Finding the Fourth Proportional to 728,647,091.56, 1,091,826,710.56 and 495,588,955.40

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Solution

The fourth proportional to 728,647,091.56, 1,091,826,710.56 and 495,588,955.40 is: 742,605,391.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    728,647,091.56 : 1,091,826,710.56 = 495,588,955.40 : x
  2. Step 2: Convert to fraction form
    728,647,091.56/1,091,826,710.56 = 495,588,955.40/x
  3. Step 3: Cross multiply
    728,647,091.56x = 1,091,826,710.56 × 495,588,955.40
  4. Step 4: Simplify right side
    728,647,091.56x = 541,097,258,964,248,512
  5. Step 5: Solve for x
    x = 541,097,258,964,248,512/728,647,091.56
  6. Step 6: Final answer
    x = 742,605,391.87

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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.