Home / 1,972,979,590.82-2,959,111,770.66-792,512,505.18

Finding the Fourth Proportional to 1,972,979,590.82, 2,959,111,770.66 and 792,512,505.18

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Solution

The fourth proportional to 1,972,979,590.82, 2,959,111,770.66 and 792,512,505.18 is: 1,188,625,109.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,972,979,590.82 : 2,959,111,770.66 = 792,512,505.18 : x
  2. Step 2: Convert to fraction form
    1,972,979,590.82/2,959,111,770.66 = 792,512,505.18/x
  3. Step 3: Cross multiply
    1,972,979,590.82x = 2,959,111,770.66 × 792,512,505.18
  4. Step 4: Simplify right side
    1,972,979,590.82x = 2,345,133,082,473,381,888
  5. Step 5: Solve for x
    x = 2,345,133,082,473,381,888/1,972,979,590.82
  6. Step 6: Final answer
    x = 1,188,625,109.65

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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.