Home / 801,039,082.80-1,199,405,850.64-508,321,380

Finding the Fourth Proportional to 801,039,082.80, 1,199,405,850.64 and 508,321,380

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Solution

The fourth proportional to 801,039,082.80, 1,199,405,850.64 and 508,321,380 is: 761,115,968.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    801,039,082.80 : 1,199,405,850.64 = 508,321,380 : x
  2. Step 2: Convert to fraction form
    801,039,082.80/1,199,405,850.64 = 508,321,380/x
  3. Step 3: Cross multiply
    801,039,082.80x = 1,199,405,850.64 × 508,321,380
  4. Step 4: Simplify right side
    801,039,082.80x = 609,683,637,177,398,784
  5. Step 5: Solve for x
    x = 609,683,637,177,398,784/801,039,082.80
  6. Step 6: Final answer
    x = 761,115,968.33

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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.