Home / 280,464,200.70-422,610,672.44-230,466,231.42

Finding the Fourth Proportional to 280,464,200.70, 422,610,672.44 and 230,466,231.42

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Solution

The fourth proportional to 280,464,200.70, 422,610,672.44 and 230,466,231.42 is: 347,272,446.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    280,464,200.70 : 422,610,672.44 = 230,466,231.42 : x
  2. Step 2: Convert to fraction form
    280,464,200.70/422,610,672.44 = 230,466,231.42/x
  3. Step 3: Cross multiply
    280,464,200.70x = 422,610,672.44 × 230,466,231.42
  4. Step 4: Simplify right side
    280,464,200.70x = 97,397,489,035,118,848
  5. Step 5: Solve for x
    x = 97,397,489,035,118,848/280,464,200.70
  6. Step 6: Final answer
    x = 347,272,446.15

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.