Home / 1,561,625,832.71-2,342,356,249.82-512,225,805.79

Finding the Fourth Proportional to 1,561,625,832.71, 2,342,356,249.82 and 512,225,805.79

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Solution

The fourth proportional to 1,561,625,832.71, 2,342,356,249.82 and 512,225,805.79 is: 768,311,648.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,561,625,832.71 : 2,342,356,249.82 = 512,225,805.79 : x
  2. Step 2: Convert to fraction form
    1,561,625,832.71/2,342,356,249.82 = 512,225,805.79/x
  3. Step 3: Cross multiply
    1,561,625,832.71x = 2,342,356,249.82 × 512,225,805.79
  4. Step 4: Simplify right side
    1,561,625,832.71x = 1,199,815,317,516,494,080
  5. Step 5: Solve for x
    x = 1,199,815,317,516,494,080/1,561,625,832.71
  6. Step 6: Final answer
    x = 768,311,648.27

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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.