Home / 3,928,242,804.28-5,894,966,669-2,158,849,188.28

Finding the Fourth Proportional to 3,928,242,804.28, 5,894,966,669 and 2,158,849,188.28

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Solution

The fourth proportional to 3,928,242,804.28, 5,894,966,669 and 2,158,849,188.28 is: 3,239,704,020.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,928,242,804.28 : 5,894,966,669 = 2,158,849,188.28 : x
  2. Step 2: Convert to fraction form
    3,928,242,804.28/5,894,966,669 = 2,158,849,188.28/x
  3. Step 3: Cross multiply
    3,928,242,804.28x = 5,894,966,669 × 2,158,849,188.28
  4. Step 4: Simplify right side
    3,928,242,804.28x = 12,726,344,008,308,305,920
  5. Step 5: Solve for x
    x = 12,726,344,008,308,305,920/3,928,242,804.28
  6. Step 6: Final answer
    x = 3,239,704,020.95

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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.