Home / 694,981,445.36-959,093,123.67-408,892,941.60

Finding the Fourth Proportional to 694,981,445.36, 959,093,123.67 and 408,892,941.60

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Solution

The fourth proportional to 694,981,445.36, 959,093,123.67 and 408,892,941.60 is: 564,283,278.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    694,981,445.36 : 959,093,123.67 = 408,892,941.60 : x
  2. Step 2: Convert to fraction form
    694,981,445.36/959,093,123.67 = 408,892,941.60/x
  3. Step 3: Cross multiply
    694,981,445.36x = 959,093,123.67 × 408,892,941.60
  4. Step 4: Simplify right side
    694,981,445.36x = 392,166,408,605,758,912
  5. Step 5: Solve for x
    x = 392,166,408,605,758,912/694,981,445.36
  6. Step 6: Final answer
    x = 564,283,278.68

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Double scale
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1.5x scale

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.