Home / 754,414,530.80-1,131,622,087.80-339,406,698.92

Finding the Fourth Proportional to 754,414,530.80, 1,131,622,087.80 and 339,406,698.92

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Solution

The fourth proportional to 754,414,530.80, 1,131,622,087.80 and 339,406,698.92 is: 509,110,179.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    754,414,530.80 : 1,131,622,087.80 = 339,406,698.92 : x
  2. Step 2: Convert to fraction form
    754,414,530.80/1,131,622,087.80 = 339,406,698.92/x
  3. Step 3: Cross multiply
    754,414,530.80x = 1,131,622,087.80 × 339,406,698.92
  4. Step 4: Simplify right side
    754,414,530.80x = 384,080,117,245,156,416
  5. Step 5: Solve for x
    x = 384,080,117,245,156,416/754,414,530.80
  6. Step 6: Final answer
    x = 509,110,179.57

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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.