Home / 340,542,003.70-510,813,005.55-323,535,891.70

Finding the Fourth Proportional to 340,542,003.70, 510,813,005.55 and 323,535,891.70

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Solution

The fourth proportional to 340,542,003.70, 510,813,005.55 and 323,535,891.70 is: 485,303,837.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    340,542,003.70 : 510,813,005.55 = 323,535,891.70 : x
  2. Step 2: Convert to fraction form
    340,542,003.70/510,813,005.55 = 323,535,891.70/x
  3. Step 3: Cross multiply
    340,542,003.70x = 510,813,005.55 × 323,535,891.70
  4. Step 4: Simplify right side
    340,542,003.70x = 165,266,341,242,576,288
  5. Step 5: Solve for x
    x = 165,266,341,242,576,288/340,542,003.70
  6. Step 6: Final answer
    x = 485,303,837.55

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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.