Home / 528,508,984.80-792,763,477.20-237,515,512.80

Finding the Fourth Proportional to 528,508,984.80, 792,763,477.20 and 237,515,512.80

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Solution

The fourth proportional to 528,508,984.80, 792,763,477.20 and 237,515,512.80 is: 356,273,269.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    528,508,984.80 : 792,763,477.20 = 237,515,512.80 : x
  2. Step 2: Convert to fraction form
    528,508,984.80/792,763,477.20 = 237,515,512.80/x
  3. Step 3: Cross multiply
    528,508,984.80x = 792,763,477.20 × 237,515,512.80
  4. Step 4: Simplify right side
    528,508,984.80x = 188,293,623,816,269,120
  5. Step 5: Solve for x
    x = 188,293,623,816,269,120/528,508,984.80
  6. Step 6: Final answer
    x = 356,273,269.20

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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.