Home / 622,081,313.66-858,498,293.42-357,763,513.07

Finding the Fourth Proportional to 622,081,313.66, 858,498,293.42 and 357,763,513.07

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Solution

The fourth proportional to 622,081,313.66, 858,498,293.42 and 357,763,513.07 is: 493,728,647.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    622,081,313.66 : 858,498,293.42 = 357,763,513.07 : x
  2. Step 2: Convert to fraction form
    622,081,313.66/858,498,293.42 = 357,763,513.07/x
  3. Step 3: Cross multiply
    622,081,313.66x = 858,498,293.42 × 357,763,513.07
  4. Step 4: Simplify right side
    622,081,313.66x = 307,139,365,412,457,536
  5. Step 5: Solve for x
    x = 307,139,365,412,457,536/622,081,313.66
  6. Step 6: Final answer
    x = 493,728,647.16

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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.