Home / 1,998,102,981.80-2,991,414,909.90-1,223,262,003.80

Finding the Fourth Proportional to 1,998,102,981.80, 2,991,414,909.90 and 1,223,262,003.80

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Solution

The fourth proportional to 1,998,102,981.80, 2,991,414,909.90 and 1,223,262,003.80 is: 1,831,379,178.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,998,102,981.80 : 2,991,414,909.90 = 1,223,262,003.80 : x
  2. Step 2: Convert to fraction form
    1,998,102,981.80/2,991,414,909.90 = 1,223,262,003.80/x
  3. Step 3: Cross multiply
    1,998,102,981.80x = 2,991,414,909.90 × 1,223,262,003.80
  4. Step 4: Simplify right side
    1,998,102,981.80x = 3,659,284,196,881,470,464
  5. Step 5: Solve for x
    x = 3,659,284,196,881,470,464/1,998,102,981.80
  6. Step 6: Final answer
    x = 1,831,379,178.26

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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.