Home / 1,192,691,315,434.30-1,789,288,267,007.40-386,795,416,897.66

Finding the Fourth Proportional to 1,192,691,315,434.30, 1,789,288,267,007.40 and 386,795,416,897.66

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Solution

The fourth proportional to 1,192,691,315,434.30, 1,789,288,267,007.40 and 386,795,416,897.66 is: 580,274,621,128.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,192,691,315,434.30 : 1,789,288,267,007.40 = 386,795,416,897.66 : x
  2. Step 2: Convert to fraction form
    1,192,691,315,434.30/1,789,288,267,007.40 = 386,795,416,897.66/x
  3. Step 3: Cross multiply
    1,192,691,315,434.30x = 1,789,288,267,007.40 × 386,795,416,897.66
  4. Step 4: Simplify right side
    1,192,691,315,434.30x = 692,088,501,187,218,776,260,608
  5. Step 5: Solve for x
    x = 692,088,501,187,218,776,260,608/1,192,691,315,434.30
  6. Step 6: Final answer
    x = 580,274,621,128.78

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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.