Home / 431,367,200.70-647,050,801.05-362,492,447.10

Finding the Fourth Proportional to 431,367,200.70, 647,050,801.05 and 362,492,447.10

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Solution

The fourth proportional to 431,367,200.70, 647,050,801.05 and 362,492,447.10 is: 543,738,670.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    431,367,200.70 : 647,050,801.05 = 362,492,447.10 : x
  2. Step 2: Convert to fraction form
    431,367,200.70/647,050,801.05 = 362,492,447.10/x
  3. Step 3: Cross multiply
    431,367,200.70x = 647,050,801.05 × 362,492,447.10
  4. Step 4: Simplify right side
    431,367,200.70x = 234,551,028,270,629,760
  5. Step 5: Solve for x
    x = 234,551,028,270,629,760/431,367,200.70
  6. Step 6: Final answer
    x = 543,738,670.65

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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.