Home / 622,081,314.66-858,498,294.80-357,763,514.07

Finding the Fourth Proportional to 622,081,314.66, 858,498,294.80 and 357,763,514.07

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Solution

The fourth proportional to 622,081,314.66, 858,498,294.80 and 357,763,514.07 is: 493,728,648.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    622,081,314.66 : 858,498,294.80 = 357,763,514.07 : x
  2. Step 2: Convert to fraction form
    622,081,314.66/858,498,294.80 = 357,763,514.07/x
  3. Step 3: Cross multiply
    622,081,314.66x = 858,498,294.80 × 357,763,514.07
  4. Step 4: Simplify right side
    622,081,314.66x = 307,139,366,770,750,784
  5. Step 5: Solve for x
    x = 307,139,366,770,750,784/622,081,314.66
  6. Step 6: Final answer
    x = 493,728,648.54

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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.