Home / 399,952,155.83-551,934,785.24-223,743,093.81

Finding the Fourth Proportional to 399,952,155.83, 551,934,785.24 and 223,743,093.81

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Solution

The fourth proportional to 399,952,155.83, 551,934,785.24 and 223,743,093.81 is: 308,765,922.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    399,952,155.83 : 551,934,785.24 = 223,743,093.81 : x
  2. Step 2: Convert to fraction form
    399,952,155.83/551,934,785.24 = 223,743,093.81/x
  3. Step 3: Cross multiply
    399,952,155.83x = 551,934,785.24 × 223,743,093.81
  4. Step 4: Simplify right side
    399,952,155.83x = 123,491,596,429,836,816
  5. Step 5: Solve for x
    x = 123,491,596,429,836,816/399,952,155.83
  6. Step 6: Final answer
    x = 308,765,922.70

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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.