Home / 3,979,552,073.30-5,966,182,840.69-1,986,571,285.11

Finding the Fourth Proportional to 3,979,552,073.30, 5,966,182,840.69 and 1,986,571,285.11

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Solution

The fourth proportional to 3,979,552,073.30, 5,966,182,840.69 and 1,986,571,285.11 is: 2,978,286,825.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,979,552,073.30 : 5,966,182,840.69 = 1,986,571,285.11 : x
  2. Step 2: Convert to fraction form
    3,979,552,073.30/5,966,182,840.69 = 1,986,571,285.11/x
  3. Step 3: Cross multiply
    3,979,552,073.30x = 5,966,182,840.69 × 1,986,571,285.11
  4. Step 4: Simplify right side
    3,979,552,073.30x = 11,852,247,513,030,762,496
  5. Step 5: Solve for x
    x = 11,852,247,513,030,762,496/3,979,552,073.30
  6. Step 6: Final answer
    x = 2,978,286,825.93

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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.