Home / 3,966,543,007.20-5,949,814,510.80-2,129,882,911.20

Finding the Fourth Proportional to 3,966,543,007.20, 5,949,814,510.80 and 2,129,882,911.20

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Solution

The fourth proportional to 3,966,543,007.20, 5,949,814,510.80 and 2,129,882,911.20 is: 3,194,824,366.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,966,543,007.20 : 5,949,814,510.80 = 2,129,882,911.20 : x
  2. Step 2: Convert to fraction form
    3,966,543,007.20/5,949,814,510.80 = 2,129,882,911.20/x
  3. Step 3: Cross multiply
    3,966,543,007.20x = 5,949,814,510.80 × 2,129,882,911.20
  4. Step 4: Simplify right side
    3,966,543,007.20x = 12,672,408,251,362,709,504
  5. Step 5: Solve for x
    x = 12,672,408,251,362,709,504/3,966,543,007.20
  6. Step 6: Final answer
    x = 3,194,824,366.80

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1.5x scale

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.