Home / 384,912,104.20-577,256,181.90-212,471,528.20

Finding the Fourth Proportional to 384,912,104.20, 577,256,181.90 and 212,471,528.20

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Solution

The fourth proportional to 384,912,104.20, 577,256,181.90 and 212,471,528.20 is: 318,645,482.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    384,912,104.20 : 577,256,181.90 = 212,471,528.20 : x
  2. Step 2: Convert to fraction form
    384,912,104.20/577,256,181.90 = 212,471,528.20/x
  3. Step 3: Cross multiply
    384,912,104.20x = 577,256,181.90 × 212,471,528.20
  4. Step 4: Simplify right side
    384,912,104.20x = 122,650,503,131,190,160
  5. Step 5: Solve for x
    x = 122,650,503,131,190,160/384,912,104.20
  6. Step 6: Final answer
    x = 318,645,482.42

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.