Home / 407,810,998.20-611,716,497.30-116,695,491.60

Finding the Fourth Proportional to 407,810,998.20, 611,716,497.30 and 116,695,491.60

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Solution

The fourth proportional to 407,810,998.20, 611,716,497.30 and 116,695,491.60 is: 175,043,237.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    407,810,998.20 : 611,716,497.30 = 116,695,491.60 : x
  2. Step 2: Convert to fraction form
    407,810,998.20/611,716,497.30 = 116,695,491.60/x
  3. Step 3: Cross multiply
    407,810,998.20x = 611,716,497.30 × 116,695,491.60
  4. Step 4: Simplify right side
    407,810,998.20x = 71,384,557,372,253,560
  5. Step 5: Solve for x
    x = 71,384,557,372,253,560/407,810,998.20
  6. Step 6: Final answer
    x = 175,043,237.40

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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.