Home / 804,004,217.70-1,206,006,326.55-528,505,203.30

Finding the Fourth Proportional to 804,004,217.70, 1,206,006,326.55 and 528,505,203.30

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Solution

The fourth proportional to 804,004,217.70, 1,206,006,326.55 and 528,505,203.30 is: 792,757,804.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    804,004,217.70 : 1,206,006,326.55 = 528,505,203.30 : x
  2. Step 2: Convert to fraction form
    804,004,217.70/1,206,006,326.55 = 528,505,203.30/x
  3. Step 3: Cross multiply
    804,004,217.70x = 1,206,006,326.55 × 528,505,203.30
  4. Step 4: Simplify right side
    804,004,217.70x = 637,380,618,794,393,984
  5. Step 5: Solve for x
    x = 637,380,618,794,393,984/804,004,217.70
  6. Step 6: Final answer
    x = 792,757,804.95

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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.