Home / 1,251,483,100.32-1,877,296,388.88-331,335,528.96

Finding the Fourth Proportional to 1,251,483,100.32, 1,877,296,388.88 and 331,335,528.96

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Solution

The fourth proportional to 1,251,483,100.32, 1,877,296,388.88 and 331,335,528.96 is: 497,022,286.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,251,483,100.32 : 1,877,296,388.88 = 331,335,528.96 : x
  2. Step 2: Convert to fraction form
    1,251,483,100.32/1,877,296,388.88 = 331,335,528.96/x
  3. Step 3: Cross multiply
    1,251,483,100.32x = 1,877,296,388.88 × 331,335,528.96
  4. Step 4: Simplify right side
    1,251,483,100.32x = 622,014,992,024,252,672
  5. Step 5: Solve for x
    x = 622,014,992,024,252,672/1,251,483,100.32
  6. Step 6: Final answer
    x = 497,022,286.49

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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.