Home / 1,322,945,832.69-1,984,418,748.09-493,964,214.39

Finding the Fourth Proportional to 1,322,945,832.69, 1,984,418,748.09 and 493,964,214.39

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Solution

The fourth proportional to 1,322,945,832.69, 1,984,418,748.09 and 493,964,214.39 is: 740,946,321.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,322,945,832.69 : 1,984,418,748.09 = 493,964,214.39 : x
  2. Step 2: Convert to fraction form
    1,322,945,832.69/1,984,418,748.09 = 493,964,214.39/x
  3. Step 3: Cross multiply
    1,322,945,832.69x = 1,984,418,748.09 × 493,964,214.39
  4. Step 4: Simplify right side
    1,322,945,832.69x = 980,231,847,921,064,064
  5. Step 5: Solve for x
    x = 980,231,847,921,064,064/1,322,945,832.69
  6. Step 6: Final answer
    x = 740,946,321.23

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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.