Home / 5,174,689,895.64-7,141,072,055.81-2,947,229,345.88

Finding the Fourth Proportional to 5,174,689,895.64, 7,141,072,055.81 and 2,947,229,345.88

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Solution

The fourth proportional to 5,174,689,895.64, 7,141,072,055.81 and 2,947,229,345.88 is: 4,067,176,497.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,174,689,895.64 : 7,141,072,055.81 = 2,947,229,345.88 : x
  2. Step 2: Convert to fraction form
    5,174,689,895.64/7,141,072,055.81 = 2,947,229,345.88/x
  3. Step 3: Cross multiply
    5,174,689,895.64x = 7,141,072,055.81 × 2,947,229,345.88
  4. Step 4: Simplify right side
    5,174,689,895.64x = 21,046,377,123,912,708,096
  5. Step 5: Solve for x
    x = 21,046,377,123,912,708,096/5,174,689,895.64
  6. Step 6: Final answer
    x = 4,067,176,497.21

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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.