Home / 366,081,996-505,224,311.63-207,340,357.89

Finding the Fourth Proportional to 366,081,996, 505,224,311.63 and 207,340,357.89

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Solution

The fourth proportional to 366,081,996, 505,224,311.63 and 207,340,357.89 is: 286,147,340.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    366,081,996 : 505,224,311.63 = 207,340,357.89 : x
  2. Step 2: Convert to fraction form
    366,081,996/505,224,311.63 = 207,340,357.89/x
  3. Step 3: Cross multiply
    366,081,996x = 505,224,311.63 × 207,340,357.89
  4. Step 4: Simplify right side
    366,081,996x = 104,753,389,587,056,384
  5. Step 5: Solve for x
    x = 104,753,389,587,056,384/366,081,996
  6. Step 6: Final answer
    x = 286,147,340.57

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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.