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Finding the Fourth Proportional to 483,855,994.10, 725,783,991.15 and 433,971,398.90

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Solution

The fourth proportional to 483,855,994.10, 725,783,991.15 and 433,971,398.90 is: 650,957,098.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    483,855,994.10 : 725,783,991.15 = 433,971,398.90 : x
  2. Step 2: Convert to fraction form
    483,855,994.10/725,783,991.15 = 433,971,398.90/x
  3. Step 3: Cross multiply
    483,855,994.10x = 725,783,991.15 × 433,971,398.90
  4. Step 4: Simplify right side
    483,855,994.10x = 314,969,493,938,590,720
  5. Step 5: Solve for x
    x = 314,969,493,938,590,720/483,855,994.10
  6. Step 6: Final answer
    x = 650,957,098.35

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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.