Home / 612,036,080.70-918,054,121.05-367,148,067.90

Finding the Fourth Proportional to 612,036,080.70, 918,054,121.05 and 367,148,067.90

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Solution

The fourth proportional to 612,036,080.70, 918,054,121.05 and 367,148,067.90 is: 550,722,101.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    612,036,080.70 : 918,054,121.05 = 367,148,067.90 : x
  2. Step 2: Convert to fraction form
    612,036,080.70/918,054,121.05 = 367,148,067.90/x
  3. Step 3: Cross multiply
    612,036,080.70x = 918,054,121.05 × 367,148,067.90
  4. Step 4: Simplify right side
    612,036,080.70x = 337,061,796,771,140,160
  5. Step 5: Solve for x
    x = 337,061,796,771,140,160/612,036,080.70
  6. Step 6: Final answer
    x = 550,722,101.85

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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.