Home / 538,920,439.20-808,380,658.80-484,500,880.80

Finding the Fourth Proportional to 538,920,439.20, 808,380,658.80 and 484,500,880.80

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Solution

The fourth proportional to 538,920,439.20, 808,380,658.80 and 484,500,880.80 is: 726,751,321.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    538,920,439.20 : 808,380,658.80 = 484,500,880.80 : x
  2. Step 2: Convert to fraction form
    538,920,439.20/808,380,658.80 = 484,500,880.80/x
  3. Step 3: Cross multiply
    538,920,439.20x = 808,380,658.80 × 484,500,880.80
  4. Step 4: Simplify right side
    538,920,439.20x = 391,661,141,210,284,288
  5. Step 5: Solve for x
    x = 391,661,141,210,284,288/538,920,439.20
  6. Step 6: Final answer
    x = 726,751,321.20

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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.