Home / 5,166,321,534.72-7,750,713,964.32-1,672,728,059.88

Finding the Fourth Proportional to 5,166,321,534.72, 7,750,713,964.32 and 1,672,728,059.88

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Solution

The fourth proportional to 5,166,321,534.72, 7,750,713,964.32 and 1,672,728,059.88 is: 2,509,490,871.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,166,321,534.72 : 7,750,713,964.32 = 1,672,728,059.88 : x
  2. Step 2: Convert to fraction form
    5,166,321,534.72/7,750,713,964.32 = 1,672,728,059.88/x
  3. Step 3: Cross multiply
    5,166,321,534.72x = 7,750,713,964.32 × 1,672,728,059.88
  4. Step 4: Simplify right side
    5,166,321,534.72x = 12,964,836,732,221,816,832
  5. Step 5: Solve for x
    x = 12,964,836,732,221,816,832/5,166,321,534.72
  6. Step 6: Final answer
    x = 2,509,490,871.81

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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.