Home / 1,131,036,351.20-1,696,554,526.80-313,148,652.20

Finding the Fourth Proportional to 1,131,036,351.20, 1,696,554,526.80 and 313,148,652.20

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Solution

The fourth proportional to 1,131,036,351.20, 1,696,554,526.80 and 313,148,652.20 is: 469,722,978.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,131,036,351.20 : 1,696,554,526.80 = 313,148,652.20 : x
  2. Step 2: Convert to fraction form
    1,131,036,351.20/1,696,554,526.80 = 313,148,652.20/x
  3. Step 3: Cross multiply
    1,131,036,351.20x = 1,696,554,526.80 × 313,148,652.20
  4. Step 4: Simplify right side
    1,131,036,351.20x = 531,273,763,451,228,736
  5. Step 5: Solve for x
    x = 531,273,763,451,228,736/1,131,036,351.20
  6. Step 6: Final answer
    x = 469,722,978.30

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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.