Home / 408,459,668.95-609,503,754.38-364,437,809.15

Finding the Fourth Proportional to 408,459,668.95, 609,503,754.38 and 364,437,809.15

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Solution

The fourth proportional to 408,459,668.95, 609,503,754.38 and 364,437,809.15 is: 543,814,309.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    408,459,668.95 : 609,503,754.38 = 364,437,809.15 : x
  2. Step 2: Convert to fraction form
    408,459,668.95/609,503,754.38 = 364,437,809.15/x
  3. Step 3: Cross multiply
    408,459,668.95x = 609,503,754.38 × 364,437,809.15
  4. Step 4: Simplify right side
    408,459,668.95x = 222,126,212,914,946,912
  5. Step 5: Solve for x
    x = 222,126,212,914,946,912/408,459,668.95
  6. Step 6: Final answer
    x = 543,814,309.71

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.