Home / 1,109,992,595,731.50-1,664,665,888,696.30-429,919,269,959.12

Finding the Fourth Proportional to 1,109,992,595,731.50, 1,664,665,888,696.30 and 429,919,269,959.12

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Solution

The fourth proportional to 1,109,992,595,731.50, 1,664,665,888,696.30 and 429,919,269,959.12 is: 644,753,799,571.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,109,992,595,731.50 : 1,664,665,888,696.30 = 429,919,269,959.12 : x
  2. Step 2: Convert to fraction form
    1,109,992,595,731.50/1,664,665,888,696.30 = 429,919,269,959.12/x
  3. Step 3: Cross multiply
    1,109,992,595,731.50x = 1,664,665,888,696.30 × 429,919,269,959.12
  4. Step 4: Simplify right side
    1,109,992,595,731.50x = 715,671,943,594,162,970,951,680
  5. Step 5: Solve for x
    x = 715,671,943,594,162,970,951,680/1,109,992,595,731.50
  6. Step 6: Final answer
    x = 644,753,799,571.54

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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.