Home / 538,969,840.80-808,454,761.20-523,853,296.80

Finding the Fourth Proportional to 538,969,840.80, 808,454,761.20 and 523,853,296.80

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Solution

The fourth proportional to 538,969,840.80, 808,454,761.20 and 523,853,296.80 is: 785,779,945.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    538,969,840.80 : 808,454,761.20 = 523,853,296.80 : x
  2. Step 2: Convert to fraction form
    538,969,840.80/808,454,761.20 = 523,853,296.80/x
  3. Step 3: Cross multiply
    538,969,840.80x = 808,454,761.20 × 523,853,296.80
  4. Step 4: Simplify right side
    538,969,840.80x = 423,511,691,968,276,736
  5. Step 5: Solve for x
    x = 423,511,691,968,276,736/538,969,840.80
  6. Step 6: Final answer
    x = 785,779,945.20

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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.