Home / 368,776,143.27-508,904,930.72-201,508,729.88

Finding the Fourth Proportional to 368,776,143.27, 508,904,930.72 and 201,508,729.88

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Solution

The fourth proportional to 368,776,143.27, 508,904,930.72 and 201,508,729.88 is: 278,078,688.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    368,776,143.27 : 508,904,930.72 = 201,508,729.88 : x
  2. Step 2: Convert to fraction form
    368,776,143.27/508,904,930.72 = 201,508,729.88/x
  3. Step 3: Cross multiply
    368,776,143.27x = 508,904,930.72 × 201,508,729.88
  4. Step 4: Simplify right side
    368,776,143.27x = 102,548,786,215,504,528
  5. Step 5: Solve for x
    x = 102,548,786,215,504,528/368,776,143.27
  6. Step 6: Final answer
    x = 278,078,688.35

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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.