Home / 801,025,044.78-1,105,137,921.60-503,689,913.49

Finding the Fourth Proportional to 801,025,044.78, 1,105,137,921.60 and 503,689,913.49

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Solution

The fourth proportional to 801,025,044.78, 1,105,137,921.60 and 503,689,913.49 is: 694,918,127.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    801,025,044.78 : 1,105,137,921.60 = 503,689,913.49 : x
  2. Step 2: Convert to fraction form
    801,025,044.78/1,105,137,921.60 = 503,689,913.49/x
  3. Step 3: Cross multiply
    801,025,044.78x = 1,105,137,921.60 × 503,689,913.49
  4. Step 4: Simplify right side
    801,025,044.78x = 556,646,824,125,222,336
  5. Step 5: Solve for x
    x = 556,646,824,125,222,336/801,025,044.78
  6. Step 6: Final answer
    x = 694,918,127.41

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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.