Home / 656,101,744.80-984,294,334.80-196,086,415.20

Finding the Fourth Proportional to 656,101,744.80, 984,294,334.80 and 196,086,415.20

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Solution

The fourth proportional to 656,101,744.80, 984,294,334.80 and 196,086,415.20 is: 294,171,977.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    656,101,744.80 : 984,294,334.80 = 196,086,415.20 : x
  2. Step 2: Convert to fraction form
    656,101,744.80/984,294,334.80 = 196,086,415.20/x
  3. Step 3: Cross multiply
    656,101,744.80x = 984,294,334.80 × 196,086,415.20
  4. Step 4: Simplify right side
    656,101,744.80x = 193,006,747,612,600,576
  5. Step 5: Solve for x
    x = 193,006,747,612,600,576/656,101,744.80
  6. Step 6: Final answer
    x = 294,171,977.35

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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.