Home / 366,905,605.14-506,136,786.60-218,120,891.82

Finding the Fourth Proportional to 366,905,605.14, 506,136,786.60 and 218,120,891.82

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Solution

The fourth proportional to 366,905,605.14, 506,136,786.60 and 218,120,891.82 is: 300,892,125.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    366,905,605.14 : 506,136,786.60 = 218,120,891.82 : x
  2. Step 2: Convert to fraction form
    366,905,605.14/506,136,786.60 = 218,120,891.82/x
  3. Step 3: Cross multiply
    366,905,605.14x = 506,136,786.60 × 218,120,891.82
  4. Step 4: Simplify right side
    366,905,605.14x = 110,399,007,276,101,024
  5. Step 5: Solve for x
    x = 110,399,007,276,101,024/366,905,605.14
  6. Step 6: Final answer
    x = 300,892,125.19

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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.