Home / 321,316,500.96-443,598,860.07-245,820,791.16

Finding the Fourth Proportional to 321,316,500.96, 443,598,860.07 and 245,820,791.16

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Solution

The fourth proportional to 321,316,500.96, 443,598,860.07 and 245,820,791.16 is: 339,371,997.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    321,316,500.96 : 443,598,860.07 = 245,820,791.16 : x
  2. Step 2: Convert to fraction form
    321,316,500.96/443,598,860.07 = 245,820,791.16/x
  3. Step 3: Cross multiply
    321,316,500.96x = 443,598,860.07 × 245,820,791.16
  4. Step 4: Simplify right side
    321,316,500.96x = 109,045,822,740,081,536
  5. Step 5: Solve for x
    x = 109,045,822,740,081,536/321,316,500.96
  6. Step 6: Final answer
    x = 339,371,997.44

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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.