Home / 531,441,907.20-797,162,860.80-447,261,652.80

Finding the Fourth Proportional to 531,441,907.20, 797,162,860.80 and 447,261,652.80

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Solution

The fourth proportional to 531,441,907.20, 797,162,860.80 and 447,261,652.80 is: 670,892,479.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    531,441,907.20 : 797,162,860.80 = 447,261,652.80 : x
  2. Step 2: Convert to fraction form
    531,441,907.20/797,162,860.80 = 447,261,652.80/x
  3. Step 3: Cross multiply
    531,441,907.20x = 797,162,860.80 × 447,261,652.80
  4. Step 4: Simplify right side
    531,441,907.20x = 356,540,378,672,184,320
  5. Step 5: Solve for x
    x = 356,540,378,672,184,320/531,441,907.20
  6. Step 6: Final answer
    x = 670,892,479.20

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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.