Home / 804,004,291.20-1,206,006,436.80-528,505,276.80

Finding the Fourth Proportional to 804,004,291.20, 1,206,006,436.80 and 528,505,276.80

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Solution

The fourth proportional to 804,004,291.20, 1,206,006,436.80 and 528,505,276.80 is: 792,757,915.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    804,004,291.20 : 1,206,006,436.80 = 528,505,276.80 : x
  2. Step 2: Convert to fraction form
    804,004,291.20/1,206,006,436.80 = 528,505,276.80/x
  3. Step 3: Cross multiply
    804,004,291.20x = 1,206,006,436.80 × 528,505,276.80
  4. Step 4: Simplify right side
    804,004,291.20x = 637,380,765,703,565,696
  5. Step 5: Solve for x
    x = 637,380,765,703,565,696/804,004,291.20
  6. Step 6: Final answer
    x = 792,757,915.20

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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.