Home / 538,560,974.80-807,841,462.20-472,048,181.20

Finding the Fourth Proportional to 538,560,974.80, 807,841,462.20 and 472,048,181.20

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Solution

The fourth proportional to 538,560,974.80, 807,841,462.20 and 472,048,181.20 is: 708,072,271.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    538,560,974.80 : 807,841,462.20 = 472,048,181.20 : x
  2. Step 2: Convert to fraction form
    538,560,974.80/807,841,462.20 = 472,048,181.20/x
  3. Step 3: Cross multiply
    538,560,974.80x = 807,841,462.20 × 472,048,181.20
  4. Step 4: Simplify right side
    538,560,974.80x = 381,340,092,929,458,560
  5. Step 5: Solve for x
    x = 381,340,092,929,458,560/538,560,974.80
  6. Step 6: Final answer
    x = 708,072,271.80

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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.