Home / 673,693,563.27-1,010,902,118.53-280,491,832.75

Finding the Fourth Proportional to 673,693,563.27, 1,010,902,118.53 and 280,491,832.75

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Solution

The fourth proportional to 673,693,563.27, 1,010,902,118.53 and 280,491,832.75 is: 420,888,373.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    673,693,563.27 : 1,010,902,118.53 = 280,491,832.75 : x
  2. Step 2: Convert to fraction form
    673,693,563.27/1,010,902,118.53 = 280,491,832.75/x
  3. Step 3: Cross multiply
    673,693,563.27x = 1,010,902,118.53 × 280,491,832.75
  4. Step 4: Simplify right side
    673,693,563.27x = 283,549,787,955,934,976
  5. Step 5: Solve for x
    x = 283,549,787,955,934,976/673,693,563.27
  6. Step 6: Final answer
    x = 420,888,373.31

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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.