Home / 672,739,454.55-1,009,109,181.83-491,340,926.55

Finding the Fourth Proportional to 672,739,454.55, 1,009,109,181.83 and 491,340,926.55

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Solution

The fourth proportional to 672,739,454.55, 1,009,109,181.83 and 491,340,926.55 is: 737,011,389.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    672,739,454.55 : 1,009,109,181.83 = 491,340,926.55 : x
  2. Step 2: Convert to fraction form
    672,739,454.55/1,009,109,181.83 = 491,340,926.55/x
  3. Step 3: Cross multiply
    672,739,454.55x = 1,009,109,181.83 × 491,340,926.55
  4. Step 4: Simplify right side
    672,739,454.55x = 495,816,640,388,007,936
  5. Step 5: Solve for x
    x = 495,816,640,388,007,936/672,739,454.55
  6. Step 6: Final answer
    x = 737,011,389.83

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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.