Home / 1,287,095,622.48-1,930,661,369.82-366,971,961.11

Finding the Fourth Proportional to 1,287,095,622.48, 1,930,661,369.82 and 366,971,961.11

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Solution

The fourth proportional to 1,287,095,622.48, 1,930,661,369.82 and 366,971,961.11 is: 550,463,055.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,287,095,622.48 : 1,930,661,369.82 = 366,971,961.11 : x
  2. Step 2: Convert to fraction form
    1,287,095,622.48/1,930,661,369.82 = 366,971,961.11/x
  3. Step 3: Cross multiply
    1,287,095,622.48x = 1,930,661,369.82 × 366,971,961.11
  4. Step 4: Simplify right side
    1,287,095,622.48x = 708,498,589,112,511,104
  5. Step 5: Solve for x
    x = 708,498,589,112,511,104/1,287,095,622.48
  6. Step 6: Final answer
    x = 550,463,055.53

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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.