Home / 262,467,475.20-393,228,820.80-208,236,873.60

Finding the Fourth Proportional to 262,467,475.20, 393,228,820.80 and 208,236,873.60

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Solution

The fourth proportional to 262,467,475.20, 393,228,820.80 and 208,236,873.60 is: 311,980,523.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    262,467,475.20 : 393,228,820.80 = 208,236,873.60 : x
  2. Step 2: Convert to fraction form
    262,467,475.20/393,228,820.80 = 208,236,873.60/x
  3. Step 3: Cross multiply
    262,467,475.20x = 393,228,820.80 × 208,236,873.60
  4. Step 4: Simplify right side
    262,467,475.20x = 81,884,740,252,806,656
  5. Step 5: Solve for x
    x = 81,884,740,252,806,656/262,467,475.20
  6. Step 6: Final answer
    x = 311,980,523.26

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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.