Home / 251,783,752,545.18-377,568,120,009.33-145,739,016,033.66

Finding the Fourth Proportional to 251,783,752,545.18, 377,568,120,009.33 and 145,739,016,033.66

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Solution

The fourth proportional to 251,783,752,545.18, 377,568,120,009.33 and 145,739,016,033.66 is: 218,546,295,142.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,783,752,545.18 : 377,568,120,009.33 = 145,739,016,033.66 : x
  2. Step 2: Convert to fraction form
    251,783,752,545.18/377,568,120,009.33 = 145,739,016,033.66/x
  3. Step 3: Cross multiply
    251,783,752,545.18x = 377,568,120,009.33 × 145,739,016,033.66
  4. Step 4: Simplify right side
    251,783,752,545.18x = 55,026,406,295,838,608,326,656
  5. Step 5: Solve for x
    x = 55,026,406,295,838,608,326,656/251,783,752,545.18
  6. Step 6: Final answer
    x = 218,546,295,142.55

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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.