Home / 469,902,850.22-648,427,971.74-271,677,121.40

Finding the Fourth Proportional to 469,902,850.22, 648,427,971.74 and 271,677,121.40

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Solution

The fourth proportional to 469,902,850.22, 648,427,971.74 and 271,677,121.40 is: 374,892,479.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    469,902,850.22 : 648,427,971.74 = 271,677,121.40 : x
  2. Step 2: Convert to fraction form
    469,902,850.22/648,427,971.74 = 271,677,121.40/x
  3. Step 3: Cross multiply
    469,902,850.22x = 648,427,971.74 × 271,677,121.40
  4. Step 4: Simplify right side
    469,902,850.22x = 176,163,044,797,563,744
  5. Step 5: Solve for x
    x = 176,163,044,797,563,744/469,902,850.22
  6. Step 6: Final answer
    x = 374,892,479.83

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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.