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Finding the Fourth Proportional to 626,644,894.82, 864,790,688.29 and 344,397,340.16

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Solution

The fourth proportional to 626,644,894.82, 864,790,688.29 and 344,397,340.16 is: 475,279,724.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    626,644,894.82 : 864,790,688.29 = 344,397,340.16 : x
  2. Step 2: Convert to fraction form
    626,644,894.82/864,790,688.29 = 344,397,340.16/x
  3. Step 3: Cross multiply
    626,644,894.82x = 864,790,688.29 × 344,397,340.16
  4. Step 4: Simplify right side
    626,644,894.82x = 297,831,612,843,512,640
  5. Step 5: Solve for x
    x = 297,831,612,843,512,640/626,644,894.82
  6. Step 6: Final answer
    x = 475,279,724.30

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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.