Home / 554,761,884.20-765,202,685.79-356,773,834.90

Finding the Fourth Proportional to 554,761,884.20, 765,202,685.79 and 356,773,834.90

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Solution

The fourth proportional to 554,761,884.20, 765,202,685.79 and 356,773,834.90 is: 492,110,767.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    554,761,884.20 : 765,202,685.79 = 356,773,834.90 : x
  2. Step 2: Convert to fraction form
    554,761,884.20/765,202,685.79 = 356,773,834.90/x
  3. Step 3: Cross multiply
    554,761,884.20x = 765,202,685.79 × 356,773,834.90
  4. Step 4: Simplify right side
    554,761,884.20x = 273,004,296,684,502,944
  5. Step 5: Solve for x
    x = 273,004,296,684,502,944/554,761,884.20
  6. Step 6: Final answer
    x = 492,110,767.63

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.