Home / 5,149,449,719.20-7,724,174,578.80-1,878,005,648.80

Finding the Fourth Proportional to 5,149,449,719.20, 7,724,174,578.80 and 1,878,005,648.80

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Solution

The fourth proportional to 5,149,449,719.20, 7,724,174,578.80 and 1,878,005,648.80 is: 2,817,008,473.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,149,449,719.20 : 7,724,174,578.80 = 1,878,005,648.80 : x
  2. Step 2: Convert to fraction form
    5,149,449,719.20/7,724,174,578.80 = 1,878,005,648.80/x
  3. Step 3: Cross multiply
    5,149,449,719.20x = 7,724,174,578.80 × 1,878,005,648.80
  4. Step 4: Simplify right side
    5,149,449,719.20x = 14,506,043,491,303,759,872
  5. Step 5: Solve for x
    x = 14,506,043,491,303,759,872/5,149,449,719.20
  6. Step 6: Final answer
    x = 2,817,008,473.20

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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.