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Finding the Fourth Proportional to 694,440,703.92, 958,329,120.41 and 376,900,954.71

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Solution

The fourth proportional to 694,440,703.92, 958,329,120.41 and 376,900,954.71 is: 520,123,832.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    694,440,703.92 : 958,329,120.41 = 376,900,954.71 : x
  2. Step 2: Convert to fraction form
    694,440,703.92/958,329,120.41 = 376,900,954.71/x
  3. Step 3: Cross multiply
    694,440,703.92x = 958,329,120.41 × 376,900,954.71
  4. Step 4: Simplify right side
    694,440,703.92x = 361,195,160,404,858,688
  5. Step 5: Solve for x
    x = 361,195,160,404,858,688/694,440,703.92
  6. Step 6: Final answer
    x = 520,123,832.55

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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.