Home / 5,439,686,720.80-8,161,545,620.40-2,170,482,138.40

Finding the Fourth Proportional to 5,439,686,720.80, 8,161,545,620.40 and 2,170,482,138.40

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Solution

The fourth proportional to 5,439,686,720.80, 8,161,545,620.40 and 2,170,482,138.40 is: 3,256,527,425.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,439,686,720.80 : 8,161,545,620.40 = 2,170,482,138.40 : x
  2. Step 2: Convert to fraction form
    5,439,686,720.80/8,161,545,620.40 = 2,170,482,138.40/x
  3. Step 3: Cross multiply
    5,439,686,720.80x = 8,161,545,620.40 × 2,170,482,138.40
  4. Step 4: Simplify right side
    5,439,686,720.80x = 17,714,488,990,814,947,328
  5. Step 5: Solve for x
    x = 17,714,488,990,814,947,328/5,439,686,720.80
  6. Step 6: Final answer
    x = 3,256,527,425.21

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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.