Home / 217,706,420,552.94-326,560,663,699.97-66,612,480,920.33

Finding the Fourth Proportional to 217,706,420,552.94, 326,560,663,699.97 and 66,612,480,920.33

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Solution

The fourth proportional to 217,706,420,552.94, 326,560,663,699.97 and 66,612,480,920.33 is: 99,919,037,411.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,706,420,552.94 : 326,560,663,699.97 = 66,612,480,920.33 : x
  2. Step 2: Convert to fraction form
    217,706,420,552.94/326,560,663,699.97 = 66,612,480,920.33/x
  3. Step 3: Cross multiply
    217,706,420,552.94x = 326,560,663,699.97 × 66,612,480,920.33
  4. Step 4: Simplify right side
    217,706,420,552.94x = 21,753,015,980,042,915,676,160
  5. Step 5: Solve for x
    x = 21,753,015,980,042,915,676,160/217,706,420,552.94
  6. Step 6: Final answer
    x = 99,919,037,411.91

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.