Home / 1,763,638,975.42-2,645,515,759.86-519,965,148.22

Finding the Fourth Proportional to 1,763,638,975.42, 2,645,515,759.86 and 519,965,148.22

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Solution

The fourth proportional to 1,763,638,975.42, 2,645,515,759.86 and 519,965,148.22 is: 779,964,614.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,763,638,975.42 : 2,645,515,759.86 = 519,965,148.22 : x
  2. Step 2: Convert to fraction form
    1,763,638,975.42/2,645,515,759.86 = 519,965,148.22/x
  3. Step 3: Cross multiply
    1,763,638,975.42x = 2,645,515,759.86 × 519,965,148.22
  4. Step 4: Simplify right side
    1,763,638,975.42x = 1,375,575,994,193,950,976
  5. Step 5: Solve for x
    x = 1,375,575,994,193,950,976/1,763,638,975.42
  6. Step 6: Final answer
    x = 779,964,614.85

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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.