Home / 528,022,509.80-792,789,591.90-298,439,997.80

Finding the Fourth Proportional to 528,022,509.80, 792,789,591.90 and 298,439,997.80

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Solution

The fourth proportional to 528,022,509.80, 792,789,591.90 and 298,439,997.80 is: 448,087,192.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    528,022,509.80 : 792,789,591.90 = 298,439,997.80 : x
  2. Step 2: Convert to fraction form
    528,022,509.80/792,789,591.90 = 298,439,997.80/x
  3. Step 3: Cross multiply
    528,022,509.80x = 792,789,591.90 × 298,439,997.80
  4. Step 4: Simplify right side
    528,022,509.80x = 236,600,124,062,498,912
  5. Step 5: Solve for x
    x = 236,600,124,062,498,912/528,022,509.80
  6. Step 6: Final answer
    x = 448,087,192.63

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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.