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Finding the Fourth Proportional to 1,007,852,415.04, 1,390,836,321.20 and 544,278,399.04

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Solution

The fourth proportional to 1,007,852,415.04, 1,390,836,321.20 and 544,278,399.04 is: 751,104,184.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,007,852,415.04 : 1,390,836,321.20 = 544,278,399.04 : x
  2. Step 2: Convert to fraction form
    1,007,852,415.04/1,390,836,321.20 = 544,278,399.04/x
  3. Step 3: Cross multiply
    1,007,852,415.04x = 1,390,836,321.20 × 544,278,399.04
  4. Step 4: Simplify right side
    1,007,852,415.04x = 757,002,166,229,419,136
  5. Step 5: Solve for x
    x = 757,002,166,229,419,136/1,007,852,415.04
  6. Step 6: Final answer
    x = 751,104,184.43

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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.