Home / 339,254,503.74-508,821,178.77-90,261,192.24

Finding the Fourth Proportional to 339,254,503.74, 508,821,178.77 and 90,261,192.24

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Solution

The fourth proportional to 339,254,503.74, 508,821,178.77 and 90,261,192.24 is: 135,375,671.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    339,254,503.74 : 508,821,178.77 = 90,261,192.24 : x
  2. Step 2: Convert to fraction form
    339,254,503.74/508,821,178.77 = 90,261,192.24/x
  3. Step 3: Cross multiply
    339,254,503.74x = 508,821,178.77 × 90,261,192.24
  4. Step 4: Simplify right side
    339,254,503.74x = 45,926,806,232,742,376
  5. Step 5: Solve for x
    x = 45,926,806,232,742,376/339,254,503.74
  6. Step 6: Final answer
    x = 135,375,671.44

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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.