Home / 1,242,080,589,040.80-1,863,120,883,561.20-818,087,605,879.20

Finding the Fourth Proportional to 1,242,080,589,040.80, 1,863,120,883,561.20 and 818,087,605,879.20

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Solution

The fourth proportional to 1,242,080,589,040.80, 1,863,120,883,561.20 and 818,087,605,879.20 is: 1,227,131,408,818.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,242,080,589,040.80 : 1,863,120,883,561.20 = 818,087,605,879.20 : x
  2. Step 2: Convert to fraction form
    1,242,080,589,040.80/1,863,120,883,561.20 = 818,087,605,879.20/x
  3. Step 3: Cross multiply
    1,242,080,589,040.80x = 1,863,120,883,561.20 × 818,087,605,879.20
  4. Step 4: Simplify right side
    1,242,080,589,040.80x = 1,524,196,103,096,121,822,281,728
  5. Step 5: Solve for x
    x = 1,524,196,103,096,121,822,281,728/1,242,080,589,040.80
  6. Step 6: Final answer
    x = 1,227,131,408,818.80

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Double scale
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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.