Home / 431,366,015.70-647,049,023.55-362,491,262.10

Finding the Fourth Proportional to 431,366,015.70, 647,049,023.55 and 362,491,262.10

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Solution

The fourth proportional to 431,366,015.70, 647,049,023.55 and 362,491,262.10 is: 543,736,893.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    431,366,015.70 : 647,049,023.55 = 362,491,262.10 : x
  2. Step 2: Convert to fraction form
    431,366,015.70/647,049,023.55 = 362,491,262.10/x
  3. Step 3: Cross multiply
    431,366,015.70x = 647,049,023.55 × 362,491,262.10
  4. Step 4: Simplify right side
    431,366,015.70x = 234,549,617,187,212,128
  5. Step 5: Solve for x
    x = 234,549,617,187,212,128/431,366,015.70
  6. Step 6: Final answer
    x = 543,736,893.15

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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.