Home / 486,464,450.22-730,860,777.77-311,929,437.78

Finding the Fourth Proportional to 486,464,450.22, 730,860,777.77 and 311,929,437.78

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Solution

The fourth proportional to 486,464,450.22, 730,860,777.77 and 311,929,437.78 is: 468,640,599.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    486,464,450.22 : 730,860,777.77 = 311,929,437.78 : x
  2. Step 2: Convert to fraction form
    486,464,450.22/730,860,777.77 = 311,929,437.78/x
  3. Step 3: Cross multiply
    486,464,450.22x = 730,860,777.77 × 311,929,437.78
  4. Step 4: Simplify right side
    486,464,450.22x = 227,976,991,503,689,952
  5. Step 5: Solve for x
    x = 227,976,991,503,689,952/486,464,450.22
  6. Step 6: Final answer
    x = 468,640,599.33

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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.