Home / 510,744,675.90-766,216,546.65-203,984,586.30

Finding the Fourth Proportional to 510,744,675.90, 766,216,546.65 and 203,984,586.30

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Solution

The fourth proportional to 510,744,675.90, 766,216,546.65 and 203,984,586.30 is: 306,016,631.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    510,744,675.90 : 766,216,546.65 = 203,984,586.30 : x
  2. Step 2: Convert to fraction form
    510,744,675.90/766,216,546.65 = 203,984,586.30/x
  3. Step 3: Cross multiply
    510,744,675.90x = 766,216,546.65 × 203,984,586.30
  4. Step 4: Simplify right side
    510,744,675.90x = 156,296,365,284,614,912
  5. Step 5: Solve for x
    x = 156,296,365,284,614,912/510,744,675.90
  6. Step 6: Final answer
    x = 306,016,631.52

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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.