Home / 538,307,837.81-743,003,033.46-350,603,873.06

Finding the Fourth Proportional to 538,307,837.81, 743,003,033.46 and 350,603,873.06

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Solution

The fourth proportional to 538,307,837.81, 743,003,033.46 and 350,603,873.06 is: 483,923,366.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    538,307,837.81 : 743,003,033.46 = 350,603,873.06 : x
  2. Step 2: Convert to fraction form
    538,307,837.81/743,003,033.46 = 350,603,873.06/x
  3. Step 3: Cross multiply
    538,307,837.81x = 743,003,033.46 × 350,603,873.06
  4. Step 4: Simplify right side
    538,307,837.81x = 260,499,741,226,404,800
  5. Step 5: Solve for x
    x = 260,499,741,226,404,800/538,307,837.81
  6. Step 6: Final answer
    x = 483,923,366.76

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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.