Home / 382,676,881.96-528,093,956.10-208,836,625.96

Finding the Fourth Proportional to 382,676,881.96, 528,093,956.10 and 208,836,625.96

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Solution

The fourth proportional to 382,676,881.96, 528,093,956.10 and 208,836,625.96 is: 288,194,466.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    382,676,881.96 : 528,093,956.10 = 208,836,625.96 : x
  2. Step 2: Convert to fraction form
    382,676,881.96/528,093,956.10 = 208,836,625.96/x
  3. Step 3: Cross multiply
    382,676,881.96x = 528,093,956.10 × 208,836,625.96
  4. Step 4: Simplify right side
    382,676,881.96x = 110,285,359,981,792,368
  5. Step 5: Solve for x
    x = 110,285,359,981,792,368/382,676,881.96
  6. Step 6: Final answer
    x = 288,194,466.87

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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.