Home / 1,109,992,595,729.50-1,664,665,888,693.30-429,919,269,957.12

Finding the Fourth Proportional to 1,109,992,595,729.50, 1,664,665,888,693.30 and 429,919,269,957.12

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Solution

The fourth proportional to 1,109,992,595,729.50, 1,664,665,888,693.30 and 429,919,269,957.12 is: 644,753,799,568.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,109,992,595,729.50 : 1,664,665,888,693.30 = 429,919,269,957.12 : x
  2. Step 2: Convert to fraction form
    1,109,992,595,729.50/1,664,665,888,693.30 = 429,919,269,957.12/x
  3. Step 3: Cross multiply
    1,109,992,595,729.50x = 1,664,665,888,693.30 × 429,919,269,957.12
  4. Step 4: Simplify right side
    1,109,992,595,729.50x = 715,671,943,589,543,867,842,560
  5. Step 5: Solve for x
    x = 715,671,943,589,543,867,842,560/1,109,992,595,729.50
  6. Step 6: Final answer
    x = 644,753,799,568.54

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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.