Home / 330,885,625.20-496,328,437.80-208,441,618.80

Finding the Fourth Proportional to 330,885,625.20, 496,328,437.80 and 208,441,618.80

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Solution

The fourth proportional to 330,885,625.20, 496,328,437.80 and 208,441,618.80 is: 312,662,428.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    330,885,625.20 : 496,328,437.80 = 208,441,618.80 : x
  2. Step 2: Convert to fraction form
    330,885,625.20/496,328,437.80 = 208,441,618.80/x
  3. Step 3: Cross multiply
    330,885,625.20x = 496,328,437.80 × 208,441,618.80
  4. Step 4: Simplify right side
    330,885,625.20x = 103,455,503,031,507,120
  5. Step 5: Solve for x
    x = 103,455,503,031,507,120/330,885,625.20
  6. Step 6: Final answer
    x = 312,662,428.20

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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.