Home / 290,231,804,923.14-400,691,698,026.32-258,028,218,284.66

Finding the Fourth Proportional to 290,231,804,923.14, 400,691,698,026.32 and 258,028,218,284.66

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Solution

The fourth proportional to 290,231,804,923.14, 400,691,698,026.32 and 258,028,218,284.66 is: 356,231,685,051.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    290,231,804,923.14 : 400,691,698,026.32 = 258,028,218,284.66 : x
  2. Step 2: Convert to fraction form
    290,231,804,923.14/400,691,698,026.32 = 258,028,218,284.66/x
  3. Step 3: Cross multiply
    290,231,804,923.14x = 400,691,698,026.32 × 258,028,218,284.66
  4. Step 4: Simplify right side
    290,231,804,923.14x = 103,389,764,923,186,363,760,640
  5. Step 5: Solve for x
    x = 103,389,764,923,186,363,760,640/290,231,804,923.14
  6. Step 6: Final answer
    x = 356,231,685,051.08

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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.