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Finding the Fourth Proportional to 590,449,060.22, 814,819,672 and 318,869,506.27

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Solution

The fourth proportional to 590,449,060.22, 814,819,672 and 318,869,506.27 is: 440,039,901.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    590,449,060.22 : 814,819,672 = 318,869,506.27 : x
  2. Step 2: Convert to fraction form
    590,449,060.22/814,819,672 = 318,869,506.27/x
  3. Step 3: Cross multiply
    590,449,060.22x = 814,819,672 × 318,869,506.27
  4. Step 4: Simplify right side
    590,449,060.22x = 259,821,146,509,723,328
  5. Step 5: Solve for x
    x = 259,821,146,509,723,328/590,449,060.22
  6. Step 6: Final answer
    x = 440,039,901.86

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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.