Home / 1,777,993,944.80-2,666,990,917.20-1,678,224,754.40

Finding the Fourth Proportional to 1,777,993,944.80, 2,666,990,917.20 and 1,678,224,754.40

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Solution

The fourth proportional to 1,777,993,944.80, 2,666,990,917.20 and 1,678,224,754.40 is: 2,517,337,131.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,777,993,944.80 : 2,666,990,917.20 = 1,678,224,754.40 : x
  2. Step 2: Convert to fraction form
    1,777,993,944.80/2,666,990,917.20 = 1,678,224,754.40/x
  3. Step 3: Cross multiply
    1,777,993,944.80x = 2,666,990,917.20 × 1,678,224,754.40
  4. Step 4: Simplify right side
    1,777,993,944.80x = 4,475,810,177,005,000,704
  5. Step 5: Solve for x
    x = 4,475,810,177,005,000,704/1,777,993,944.80
  6. Step 6: Final answer
    x = 2,517,337,131.60

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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.