Home / 339,254,511-508,821,189.64-90,261,199.50

Finding the Fourth Proportional to 339,254,511, 508,821,189.64 and 90,261,199.50

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Solution

The fourth proportional to 339,254,511, 508,821,189.64 and 90,261,199.50 is: 135,375,682.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    339,254,511 : 508,821,189.64 = 90,261,199.50 : x
  2. Step 2: Convert to fraction form
    339,254,511/508,821,189.64 = 90,261,199.50/x
  3. Step 3: Cross multiply
    339,254,511x = 508,821,189.64 × 90,261,199.50
  4. Step 4: Simplify right side
    339,254,511x = 45,926,810,907,923,368
  5. Step 5: Solve for x
    x = 45,926,810,907,923,368/339,254,511
  6. Step 6: Final answer
    x = 135,375,682.32

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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.