Home / 550,145,338.20-825,218,007.30-495,725,779.80

Finding the Fourth Proportional to 550,145,338.20, 825,218,007.30 and 495,725,779.80

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Solution

The fourth proportional to 550,145,338.20, 825,218,007.30 and 495,725,779.80 is: 743,588,669.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    550,145,338.20 : 825,218,007.30 = 495,725,779.80 : x
  2. Step 2: Convert to fraction form
    550,145,338.20/825,218,007.30 = 495,725,779.80/x
  3. Step 3: Cross multiply
    550,145,338.20x = 825,218,007.30 × 495,725,779.80
  4. Step 4: Simplify right side
    550,145,338.20x = 409,081,840,173,794,560
  5. Step 5: Solve for x
    x = 409,081,840,173,794,560/550,145,338.20
  6. Step 6: Final answer
    x = 743,588,669.70

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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.