Home / 673,693,526.85-1,010,902,063.80-280,491,796.30

Finding the Fourth Proportional to 673,693,526.85, 1,010,902,063.80 and 280,491,796.30

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Solution

The fourth proportional to 673,693,526.85, 1,010,902,063.80 and 280,491,796.30 is: 420,888,318.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    673,693,526.85 : 1,010,902,063.80 = 280,491,796.30 : x
  2. Step 2: Convert to fraction form
    673,693,526.85/1,010,902,063.80 = 280,491,796.30/x
  3. Step 3: Cross multiply
    673,693,526.85x = 1,010,902,063.80 × 280,491,796.30
  4. Step 4: Simplify right side
    673,693,526.85x = 283,549,735,758,639,200
  5. Step 5: Solve for x
    x = 283,549,735,758,639,200/673,693,526.85
  6. Step 6: Final answer
    x = 420,888,318.59

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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.