Home / 928,298,129.76-1,392,458,131.20-368,196,540

Finding the Fourth Proportional to 928,298,129.76, 1,392,458,131.20 and 368,196,540

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Solution

The fourth proportional to 928,298,129.76, 1,392,458,131.20 and 368,196,540 is: 552,299,147.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    928,298,129.76 : 1,392,458,131.20 = 368,196,540 : x
  2. Step 2: Convert to fraction form
    928,298,129.76/1,392,458,131.20 = 368,196,540/x
  3. Step 3: Cross multiply
    928,298,129.76x = 1,392,458,131.20 × 368,196,540
  4. Step 4: Simplify right side
    928,298,129.76x = 512,698,266,002,706,048
  5. Step 5: Solve for x
    x = 512,698,266,002,706,048/928,298,129.76
  6. Step 6: Final answer
    x = 552,299,147.83

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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.