Home / 1,143,800,999.80-1,715,701,499.70-314,753,039.80

Finding the Fourth Proportional to 1,143,800,999.80, 1,715,701,499.70 and 314,753,039.80

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Solution

The fourth proportional to 1,143,800,999.80, 1,715,701,499.70 and 314,753,039.80 is: 472,129,559.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,143,800,999.80 : 1,715,701,499.70 = 314,753,039.80 : x
  2. Step 2: Convert to fraction form
    1,143,800,999.80/1,715,701,499.70 = 314,753,039.80/x
  3. Step 3: Cross multiply
    1,143,800,999.80x = 1,715,701,499.70 × 314,753,039.80
  4. Step 4: Simplify right side
    1,143,800,999.80x = 540,022,262,419,993,792
  5. Step 5: Solve for x
    x = 540,022,262,419,993,792/1,143,800,999.80
  6. Step 6: Final answer
    x = 472,129,559.70

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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.