Home / 545,145,352.20-817,718,028.30-490,725,793.80

Finding the Fourth Proportional to 545,145,352.20, 817,718,028.30 and 490,725,793.80

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Solution

The fourth proportional to 545,145,352.20, 817,718,028.30 and 490,725,793.80 is: 736,088,690.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    545,145,352.20 : 817,718,028.30 = 490,725,793.80 : x
  2. Step 2: Convert to fraction form
    545,145,352.20/817,718,028.30 = 490,725,793.80/x
  3. Step 3: Cross multiply
    545,145,352.20x = 817,718,028.30 × 490,725,793.80
  4. Step 4: Simplify right side
    545,145,352.20x = 401,275,328,542,088,320
  5. Step 5: Solve for x
    x = 401,275,328,542,088,320/545,145,352.20
  6. Step 6: Final answer
    x = 736,088,690.70

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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.