Home / 673,693,525.85-1,010,902,062.30-280,491,795.30

Finding the Fourth Proportional to 673,693,525.85, 1,010,902,062.30 and 280,491,795.30

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Solution

The fourth proportional to 673,693,525.85, 1,010,902,062.30 and 280,491,795.30 is: 420,888,317.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    673,693,525.85 : 1,010,902,062.30 = 280,491,795.30 : x
  2. Step 2: Convert to fraction form
    673,693,525.85/1,010,902,062.30 = 280,491,795.30/x
  3. Step 3: Cross multiply
    673,693,525.85x = 1,010,902,062.30 × 280,491,795.30
  4. Step 4: Simplify right side
    673,693,525.85x = 283,549,734,325,596,992
  5. Step 5: Solve for x
    x = 283,549,734,325,596,992/673,693,525.85
  6. Step 6: Final answer
    x = 420,888,317.08

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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.