Home / 538,920,404.20-808,380,606.30-484,500,845.80

Finding the Fourth Proportional to 538,920,404.20, 808,380,606.30 and 484,500,845.80

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Solution

The fourth proportional to 538,920,404.20, 808,380,606.30 and 484,500,845.80 is: 726,751,268.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    538,920,404.20 : 808,380,606.30 = 484,500,845.80 : x
  2. Step 2: Convert to fraction form
    538,920,404.20/808,380,606.30 = 484,500,845.80/x
  3. Step 3: Cross multiply
    538,920,404.20x = 808,380,606.30 × 484,500,845.80
  4. Step 4: Simplify right side
    538,920,404.20x = 391,661,087,480,666,816
  5. Step 5: Solve for x
    x = 391,661,087,480,666,816/538,920,404.20
  6. Step 6: Final answer
    x = 726,751,268.70

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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.