Home / 473,223,315.20-708,640,579.20-310,785,785.60

Finding the Fourth Proportional to 473,223,315.20, 708,640,579.20 and 310,785,785.60

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Solution

The fourth proportional to 473,223,315.20, 708,640,579.20 and 310,785,785.60 is: 465,394,269.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    473,223,315.20 : 708,640,579.20 = 310,785,785.60 : x
  2. Step 2: Convert to fraction form
    473,223,315.20/708,640,579.20 = 310,785,785.60/x
  3. Step 3: Cross multiply
    473,223,315.20x = 708,640,579.20 × 310,785,785.60
  4. Step 4: Simplify right side
    473,223,315.20x = 220,235,419,114,711,040
  5. Step 5: Solve for x
    x = 220,235,419,114,711,040/473,223,315.20
  6. Step 6: Final answer
    x = 465,394,269.56

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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.