Home / 634,284,520.08-875,687,912.46-399,536,401.56

Finding the Fourth Proportional to 634,284,520.08, 875,687,912.46 and 399,536,401.56

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Solution

The fourth proportional to 634,284,520.08, 875,687,912.46 and 399,536,401.56 is: 551,596,620.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    634,284,520.08 : 875,687,912.46 = 399,536,401.56 : x
  2. Step 2: Convert to fraction form
    634,284,520.08/875,687,912.46 = 399,536,401.56/x
  3. Step 3: Cross multiply
    634,284,520.08x = 875,687,912.46 × 399,536,401.56
  4. Step 4: Simplify right side
    634,284,520.08x = 349,869,197,433,856,704
  5. Step 5: Solve for x
    x = 349,869,197,433,856,704/634,284,520.08
  6. Step 6: Final answer
    x = 551,596,620.06

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.