Home / 334,430,489.20-502,023,647.40-198,192,636.40

Finding the Fourth Proportional to 334,430,489.20, 502,023,647.40 and 198,192,636.40

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Solution

The fourth proportional to 334,430,489.20, 502,023,647.40 and 198,192,636.40 is: 297,512,916.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    334,430,489.20 : 502,023,647.40 = 198,192,636.40 : x
  2. Step 2: Convert to fraction form
    334,430,489.20/502,023,647.40 = 198,192,636.40/x
  3. Step 3: Cross multiply
    334,430,489.20x = 502,023,647.40 × 198,192,636.40
  4. Step 4: Simplify right side
    334,430,489.20x = 99,497,390,213,350,000
  5. Step 5: Solve for x
    x = 99,497,390,213,350,000/334,430,489.20
  6. Step 6: Final answer
    x = 297,512,916.51

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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.