Home / 511,526,651.88-705,745,640.52-313,081,268.16

Finding the Fourth Proportional to 511,526,651.88, 705,745,640.52 and 313,081,268.16

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Solution

The fourth proportional to 511,526,651.88, 705,745,640.52 and 313,081,268.16 is: 431,953,524.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    511,526,651.88 : 705,745,640.52 = 313,081,268.16 : x
  2. Step 2: Convert to fraction form
    511,526,651.88/705,745,640.52 = 313,081,268.16/x
  3. Step 3: Cross multiply
    511,526,651.88x = 705,745,640.52 × 313,081,268.16
  4. Step 4: Simplify right side
    511,526,651.88x = 220,955,740,132,393,088
  5. Step 5: Solve for x
    x = 220,955,740,132,393,088/511,526,651.88
  6. Step 6: Final answer
    x = 431,953,524.46

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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.