Home / 538,920,501.20-808,380,751.80-484,500,942.80

Finding the Fourth Proportional to 538,920,501.20, 808,380,751.80 and 484,500,942.80

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Solution

The fourth proportional to 538,920,501.20, 808,380,751.80 and 484,500,942.80 is: 726,751,414.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    538,920,501.20 : 808,380,751.80 = 484,500,942.80 : x
  2. Step 2: Convert to fraction form
    538,920,501.20/808,380,751.80 = 484,500,942.80/x
  3. Step 3: Cross multiply
    538,920,501.20x = 808,380,751.80 × 484,500,942.80
  4. Step 4: Simplify right side
    538,920,501.20x = 391,661,236,388,472,768
  5. Step 5: Solve for x
    x = 391,661,236,388,472,768/538,920,501.20
  6. Step 6: Final answer
    x = 726,751,414.20

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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.