Home / 3,109,914,909.40-4,664,872,364.10-1,947,653,442.40

Finding the Fourth Proportional to 3,109,914,909.40, 4,664,872,364.10 and 1,947,653,442.40

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Solution

The fourth proportional to 3,109,914,909.40, 4,664,872,364.10 and 1,947,653,442.40 is: 2,921,480,163.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,109,914,909.40 : 4,664,872,364.10 = 1,947,653,442.40 : x
  2. Step 2: Convert to fraction form
    3,109,914,909.40/4,664,872,364.10 = 1,947,653,442.40/x
  3. Step 3: Cross multiply
    3,109,914,909.40x = 4,664,872,364.10 × 1,947,653,442.40
  4. Step 4: Simplify right side
    3,109,914,909.40x = 9,085,554,718,295,992,320
  5. Step 5: Solve for x
    x = 9,085,554,718,295,992,320/3,109,914,909.40
  6. Step 6: Final answer
    x = 2,921,480,163.60

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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.