Home / 667,185,923.36-999,907,292.64-372,069,266.24

Finding the Fourth Proportional to 667,185,923.36, 999,907,292.64 and 372,069,266.24

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Solution

The fourth proportional to 667,185,923.36, 999,907,292.64 and 372,069,266.24 is: 557,617,838.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    667,185,923.36 : 999,907,292.64 = 372,069,266.24 : x
  2. Step 2: Convert to fraction form
    667,185,923.36/999,907,292.64 = 372,069,266.24/x
  3. Step 3: Cross multiply
    667,185,923.36x = 999,907,292.64 × 372,069,266.24
  4. Step 4: Simplify right side
    667,185,923.36x = 372,034,772,680,589,760
  5. Step 5: Solve for x
    x = 372,034,772,680,589,760/667,185,923.36
  6. Step 6: Final answer
    x = 557,617,838.83

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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.