Home / 1,131,036,029.20-1,696,554,043.80-313,148,330.20

Finding the Fourth Proportional to 1,131,036,029.20, 1,696,554,043.80 and 313,148,330.20

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Solution

The fourth proportional to 1,131,036,029.20, 1,696,554,043.80 and 313,148,330.20 is: 469,722,495.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,131,036,029.20 : 1,696,554,043.80 = 313,148,330.20 : x
  2. Step 2: Convert to fraction form
    1,131,036,029.20/1,696,554,043.80 = 313,148,330.20/x
  3. Step 3: Cross multiply
    1,131,036,029.20x = 1,696,554,043.80 × 313,148,330.20
  4. Step 4: Simplify right side
    1,131,036,029.20x = 531,273,065,910,027,648
  5. Step 5: Solve for x
    x = 531,273,065,910,027,648/1,131,036,029.20
  6. Step 6: Final answer
    x = 469,722,495.30

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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.