Home / 694,981,450.12-959,093,130.21-408,892,946.35

Finding the Fourth Proportional to 694,981,450.12, 959,093,130.21 and 408,892,946.35

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Solution

The fourth proportional to 694,981,450.12, 959,093,130.21 and 408,892,946.35 is: 564,283,285.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    694,981,450.12 : 959,093,130.21 = 408,892,946.35 : x
  2. Step 2: Convert to fraction form
    694,981,450.12/959,093,130.21 = 408,892,946.35/x
  3. Step 3: Cross multiply
    694,981,450.12x = 959,093,130.21 × 408,892,946.35
  4. Step 4: Simplify right side
    694,981,450.12x = 392,166,415,835,611,136
  5. Step 5: Solve for x
    x = 392,166,415,835,611,136/694,981,450.12
  6. Step 6: Final answer
    x = 564,283,285.21

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Double scale
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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.