Home / 321,857,244.57-444,320,457.57-215,972,775.71

Finding the Fourth Proportional to 321,857,244.57, 444,320,457.57 and 215,972,775.71

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Solution

The fourth proportional to 321,857,244.57, 444,320,457.57 and 215,972,775.71 is: 298,148,089.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    321,857,244.57 : 444,320,457.57 = 215,972,775.71 : x
  2. Step 2: Convert to fraction form
    321,857,244.57/444,320,457.57 = 215,972,775.71/x
  3. Step 3: Cross multiply
    321,857,244.57x = 444,320,457.57 × 215,972,775.71
  4. Step 4: Simplify right side
    321,857,244.57x = 95,961,122,523,908,576
  5. Step 5: Solve for x
    x = 95,961,122,523,908,576/321,857,244.57
  6. Step 6: Final answer
    x = 298,148,089.39

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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.