Home / 2,518,128,145.60-3,777,192,218.40-1,992,072,414.40

Finding the Fourth Proportional to 2,518,128,145.60, 3,777,192,218.40 and 1,992,072,414.40

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Solution

The fourth proportional to 2,518,128,145.60, 3,777,192,218.40 and 1,992,072,414.40 is: 2,988,108,621.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,518,128,145.60 : 3,777,192,218.40 = 1,992,072,414.40 : x
  2. Step 2: Convert to fraction form
    2,518,128,145.60/3,777,192,218.40 = 1,992,072,414.40/x
  3. Step 3: Cross multiply
    2,518,128,145.60x = 3,777,192,218.40 × 1,992,072,414.40
  4. Step 4: Simplify right side
    2,518,128,145.60x = 7,524,440,422,160,980,992
  5. Step 5: Solve for x
    x = 7,524,440,422,160,980,992/2,518,128,145.60
  6. Step 6: Final answer
    x = 2,988,108,621.60

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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.