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Finding the Fourth Proportional to 722,969,797.59, 997,719,365.97 and 409,693,594.95

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Solution

The fourth proportional to 722,969,797.59, 997,719,365.97 and 409,693,594.95 is: 565,389,087.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    722,969,797.59 : 997,719,365.97 = 409,693,594.95 : x
  2. Step 2: Convert to fraction form
    722,969,797.59/997,719,365.97 = 409,693,594.95/x
  3. Step 3: Cross multiply
    722,969,797.59x = 997,719,365.97 × 409,693,594.95
  4. Step 4: Simplify right side
    722,969,797.59x = 408,759,233,795,483,968
  5. Step 5: Solve for x
    x = 408,759,233,795,483,968/722,969,797.59
  6. Step 6: Final answer
    x = 565,389,087.01

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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.