Home / 355,897,735-491,190,436.74-199,274,935.48

Finding the Fourth Proportional to 355,897,735, 491,190,436.74 and 199,274,935.48

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Solution

The fourth proportional to 355,897,735, 491,190,436.74 and 199,274,935.48 is: 275,028,281.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    355,897,735 : 491,190,436.74 = 199,274,935.48 : x
  2. Step 2: Convert to fraction form
    355,897,735/491,190,436.74 = 199,274,935.48/x
  3. Step 3: Cross multiply
    355,897,735x = 491,190,436.74 × 199,274,935.48
  4. Step 4: Simplify right side
    355,897,735x = 97,881,942,589,756,512
  5. Step 5: Solve for x
    x = 97,881,942,589,756,512/355,897,735
  6. Step 6: Final answer
    x = 275,028,281.90

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.