Home / 472,203,011.80-708,304,517.70-277,914,986.20

Finding the Fourth Proportional to 472,203,011.80, 708,304,517.70 and 277,914,986.20

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Solution

The fourth proportional to 472,203,011.80, 708,304,517.70 and 277,914,986.20 is: 416,872,479.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    472,203,011.80 : 708,304,517.70 = 277,914,986.20 : x
  2. Step 2: Convert to fraction form
    472,203,011.80/708,304,517.70 = 277,914,986.20/x
  3. Step 3: Cross multiply
    472,203,011.80x = 708,304,517.70 × 277,914,986.20
  4. Step 4: Simplify right side
    472,203,011.80x = 196,848,440,261,993,152
  5. Step 5: Solve for x
    x = 196,848,440,261,993,152/472,203,011.80
  6. Step 6: Final answer
    x = 416,872,479.30

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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.