Home / 499,476,319.18-749,196,517.02-131,008,328.44

Finding the Fourth Proportional to 499,476,319.18, 749,196,517.02 and 131,008,328.44

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Solution

The fourth proportional to 499,476,319.18, 749,196,517.02 and 131,008,328.44 is: 196,507,781.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    499,476,319.18 : 749,196,517.02 = 131,008,328.44 : x
  2. Step 2: Convert to fraction form
    499,476,319.18/749,196,517.02 = 131,008,328.44/x
  3. Step 3: Cross multiply
    499,476,319.18x = 749,196,517.02 × 131,008,328.44
  4. Step 4: Simplify right side
    499,476,319.18x = 98,150,983,367,860,208
  5. Step 5: Solve for x
    x = 98,150,983,367,860,208/499,476,319.18
  6. Step 6: Final answer
    x = 196,507,781.45

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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.