Home / 550,145,342.70-825,218,014.05-495,725,784.30

Finding the Fourth Proportional to 550,145,342.70, 825,218,014.05 and 495,725,784.30

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Solution

The fourth proportional to 550,145,342.70, 825,218,014.05 and 495,725,784.30 is: 743,588,676.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    550,145,342.70 : 825,218,014.05 = 495,725,784.30 : x
  2. Step 2: Convert to fraction form
    550,145,342.70/825,218,014.05 = 495,725,784.30/x
  3. Step 3: Cross multiply
    550,145,342.70x = 825,218,014.05 × 495,725,784.30
  4. Step 4: Simplify right side
    550,145,342.70x = 409,081,847,233,424,640
  5. Step 5: Solve for x
    x = 409,081,847,233,424,640/550,145,342.70
  6. Step 6: Final answer
    x = 743,588,676.45

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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.