Home / 399,682,043.55-551,256,892.52-344,022,195.87

Finding the Fourth Proportional to 399,682,043.55, 551,256,892.52 and 344,022,195.87

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Solution

The fourth proportional to 399,682,043.55, 551,256,892.52 and 344,022,195.87 is: 474,488,683.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    399,682,043.55 : 551,256,892.52 = 344,022,195.87 : x
  2. Step 2: Convert to fraction form
    399,682,043.55/551,256,892.52 = 344,022,195.87/x
  3. Step 3: Cross multiply
    399,682,043.55x = 551,256,892.52 × 344,022,195.87
  4. Step 4: Simplify right side
    399,682,043.55x = 189,644,606,651,482,880
  5. Step 5: Solve for x
    x = 189,644,606,651,482,880/399,682,043.55
  6. Step 6: Final answer
    x = 474,488,683.47

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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.