Home / 350,302,414.20-525,453,621.30-221,307,905.40

Finding the Fourth Proportional to 350,302,414.20, 525,453,621.30 and 221,307,905.40

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Solution

The fourth proportional to 350,302,414.20, 525,453,621.30 and 221,307,905.40 is: 331,961,858.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    350,302,414.20 : 525,453,621.30 = 221,307,905.40 : x
  2. Step 2: Convert to fraction form
    350,302,414.20/525,453,621.30 = 221,307,905.40/x
  3. Step 3: Cross multiply
    350,302,414.20x = 525,453,621.30 × 221,307,905.40
  4. Step 4: Simplify right side
    350,302,414.20x = 116,287,040,314,747,824
  5. Step 5: Solve for x
    x = 116,287,040,314,747,824/350,302,414.20
  6. Step 6: Final answer
    x = 331,961,858.10

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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.