Home / 469,919,042.73-647,667,417.83-344,204,155.53

Finding the Fourth Proportional to 469,919,042.73, 647,667,417.83 and 344,204,155.53

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Solution

The fourth proportional to 469,919,042.73, 647,667,417.83 and 344,204,155.53 is: 474,400,474.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    469,919,042.73 : 647,667,417.83 = 344,204,155.53 : x
  2. Step 2: Convert to fraction form
    469,919,042.73/647,667,417.83 = 344,204,155.53/x
  3. Step 3: Cross multiply
    469,919,042.73x = 647,667,417.83 × 344,204,155.53
  4. Step 4: Simplify right side
    469,919,042.73x = 222,929,816,616,749,792
  5. Step 5: Solve for x
    x = 222,929,816,616,749,792/469,919,042.73
  6. Step 6: Final answer
    x = 474,400,474.01

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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.