Home / 487,156,954.30-730,735,431.45-228,876,628.30

Finding the Fourth Proportional to 487,156,954.30, 730,735,431.45 and 228,876,628.30

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Solution

The fourth proportional to 487,156,954.30, 730,735,431.45 and 228,876,628.30 is: 343,314,942.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    487,156,954.30 : 730,735,431.45 = 228,876,628.30 : x
  2. Step 2: Convert to fraction form
    487,156,954.30/730,735,431.45 = 228,876,628.30/x
  3. Step 3: Cross multiply
    487,156,954.30x = 730,735,431.45 × 228,876,628.30
  4. Step 4: Simplify right side
    487,156,954.30x = 167,248,261,729,621,792
  5. Step 5: Solve for x
    x = 167,248,261,729,621,792/487,156,954.30
  6. Step 6: Final answer
    x = 343,314,942.45

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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.