Home / 482,441,637.11-723,743,172.36-378,806,661.77

Finding the Fourth Proportional to 482,441,637.11, 723,743,172.36 and 378,806,661.77

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Solution

The fourth proportional to 482,441,637.11, 723,743,172.36 and 378,806,661.77 is: 568,273,370.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    482,441,637.11 : 723,743,172.36 = 378,806,661.77 : x
  2. Step 2: Convert to fraction form
    482,441,637.11/723,743,172.36 = 378,806,661.77/x
  3. Step 3: Cross multiply
    482,441,637.11x = 723,743,172.36 × 378,806,661.77
  4. Step 4: Simplify right side
    482,441,637.11x = 274,158,735,096,902,624
  5. Step 5: Solve for x
    x = 274,158,735,096,902,624/482,441,637.11
  6. Step 6: Final answer
    x = 568,273,370.31

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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.