Home / 501,552,004.80-752,328,007.20-379,107,998.40

Finding the Fourth Proportional to 501,552,004.80, 752,328,007.20 and 379,107,998.40

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Solution

The fourth proportional to 501,552,004.80, 752,328,007.20 and 379,107,998.40 is: 568,661,997.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    501,552,004.80 : 752,328,007.20 = 379,107,998.40 : x
  2. Step 2: Convert to fraction form
    501,552,004.80/752,328,007.20 = 379,107,998.40/x
  3. Step 3: Cross multiply
    501,552,004.80x = 752,328,007.20 × 379,107,998.40
  4. Step 4: Simplify right side
    501,552,004.80x = 285,213,564,949,852,800
  5. Step 5: Solve for x
    x = 285,213,564,949,852,800/501,552,004.80
  6. Step 6: Final answer
    x = 568,661,997.60

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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.