Home / 1,359,907,997.80-2,039,861,996.70-1,087,810,205.80

Finding the Fourth Proportional to 1,359,907,997.80, 2,039,861,996.70 and 1,087,810,205.80

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Solution

The fourth proportional to 1,359,907,997.80, 2,039,861,996.70 and 1,087,810,205.80 is: 1,631,715,308.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,359,907,997.80 : 2,039,861,996.70 = 1,087,810,205.80 : x
  2. Step 2: Convert to fraction form
    1,359,907,997.80/2,039,861,996.70 = 1,087,810,205.80/x
  3. Step 3: Cross multiply
    1,359,907,997.80x = 2,039,861,996.70 × 1,087,810,205.80
  4. Step 4: Simplify right side
    1,359,907,997.80x = 2,218,982,698,433,825,792
  5. Step 5: Solve for x
    x = 2,218,982,698,433,825,792/1,359,907,997.80
  6. Step 6: Final answer
    x = 1,631,715,308.70

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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.