Home / 1,252,279,834.20-1,728,189,631.26-695,372,181.48

Finding the Fourth Proportional to 1,252,279,834.20, 1,728,189,631.26 and 695,372,181.48

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Solution

The fourth proportional to 1,252,279,834.20, 1,728,189,631.26 and 695,372,181.48 is: 959,637,743.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,252,279,834.20 : 1,728,189,631.26 = 695,372,181.48 : x
  2. Step 2: Convert to fraction form
    1,252,279,834.20/1,728,189,631.26 = 695,372,181.48/x
  3. Step 3: Cross multiply
    1,252,279,834.20x = 1,728,189,631.26 × 695,372,181.48
  4. Step 4: Simplify right side
    1,252,279,834.20x = 1,201,734,993,900,382,976
  5. Step 5: Solve for x
    x = 1,201,734,993,900,382,976/1,252,279,834.20
  6. Step 6: Final answer
    x = 959,637,743.16

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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.