Home / 299,559,940.20-449,339,910.30-251,186,999.40

Finding the Fourth Proportional to 299,559,940.20, 449,339,910.30 and 251,186,999.40

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Solution

The fourth proportional to 299,559,940.20, 449,339,910.30 and 251,186,999.40 is: 376,780,499.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    299,559,940.20 : 449,339,910.30 = 251,186,999.40 : x
  2. Step 2: Convert to fraction form
    299,559,940.20/449,339,910.30 = 251,186,999.40/x
  3. Step 3: Cross multiply
    299,559,940.20x = 449,339,910.30 × 251,186,999.40
  4. Step 4: Simplify right side
    299,559,940.20x = 112,868,343,778,922,160
  5. Step 5: Solve for x
    x = 112,868,343,778,922,160/299,559,940.20
  6. Step 6: Final answer
    x = 376,780,499.10

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1.5x scale

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.