Home / 722,969,790.93-997,719,356.57-409,693,588.29

Finding the Fourth Proportional to 722,969,790.93, 997,719,356.57 and 409,693,588.29

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Solution

The fourth proportional to 722,969,790.93, 997,719,356.57 and 409,693,588.29 is: 565,389,077.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    722,969,790.93 : 997,719,356.57 = 409,693,588.29 : x
  2. Step 2: Convert to fraction form
    722,969,790.93/997,719,356.57 = 409,693,588.29/x
  3. Step 3: Cross multiply
    722,969,790.93x = 997,719,356.57 × 409,693,588.29
  4. Step 4: Simplify right side
    722,969,790.93x = 408,759,223,297,504,832
  5. Step 5: Solve for x
    x = 408,759,223,297,504,832/722,969,790.93
  6. Step 6: Final answer
    x = 565,389,077.70

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.