Home / 7,971,509,947.20-11,957,264,920.80-3,829,954,804.80

Finding the Fourth Proportional to 7,971,509,947.20, 11,957,264,920.80 and 3,829,954,804.80

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Solution

The fourth proportional to 7,971,509,947.20, 11,957,264,920.80 and 3,829,954,804.80 is: 5,744,932,207.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,971,509,947.20 : 11,957,264,920.80 = 3,829,954,804.80 : x
  2. Step 2: Convert to fraction form
    7,971,509,947.20/11,957,264,920.80 = 3,829,954,804.80/x
  3. Step 3: Cross multiply
    7,971,509,947.20x = 11,957,264,920.80 × 3,829,954,804.80
  4. Step 4: Simplify right side
    7,971,509,947.20x = 45,795,784,235,684,454,400
  5. Step 5: Solve for x
    x = 45,795,784,235,684,454,400/7,971,509,947.20
  6. Step 6: Final answer
    x = 5,744,932,207.20

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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.