Home / 449,651,163.83-620,328,596.78-301,020,171.50

Finding the Fourth Proportional to 449,651,163.83, 620,328,596.78 and 301,020,171.50

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Solution

The fourth proportional to 449,651,163.83, 620,328,596.78 and 301,020,171.50 is: 415,280,634.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    449,651,163.83 : 620,328,596.78 = 301,020,171.50 : x
  2. Step 2: Convert to fraction form
    449,651,163.83/620,328,596.78 = 301,020,171.50/x
  3. Step 3: Cross multiply
    449,651,163.83x = 620,328,596.78 × 301,020,171.50
  4. Step 4: Simplify right side
    449,651,163.83x = 186,731,420,584,463,200
  5. Step 5: Solve for x
    x = 186,731,420,584,463,200/449,651,163.83
  6. Step 6: Final answer
    x = 415,280,634.43

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.