Home / 7,222,349,936.76-9,966,923,713.17-4,007,318,139.88

Finding the Fourth Proportional to 7,222,349,936.76, 9,966,923,713.17 and 4,007,318,139.88

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Solution

The fourth proportional to 7,222,349,936.76, 9,966,923,713.17 and 4,007,318,139.88 is: 5,530,143,865.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,222,349,936.76 : 9,966,923,713.17 = 4,007,318,139.88 : x
  2. Step 2: Convert to fraction form
    7,222,349,936.76/9,966,923,713.17 = 4,007,318,139.88/x
  3. Step 3: Cross multiply
    7,222,349,936.76x = 9,966,923,713.17 × 4,007,318,139.88
  4. Step 4: Simplify right side
    7,222,349,936.76x = 39,940,634,194,586,271,744
  5. Step 5: Solve for x
    x = 39,940,634,194,586,271,744/7,222,349,936.76
  6. Step 6: Final answer
    x = 5,530,143,865.13

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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.