Home / 290,231,804,926.14-400,691,698,030.46-258,028,218,287.66

Finding the Fourth Proportional to 290,231,804,926.14, 400,691,698,030.46 and 258,028,218,287.66

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Solution

The fourth proportional to 290,231,804,926.14, 400,691,698,030.46 and 258,028,218,287.66 is: 356,231,685,055.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    290,231,804,926.14 : 400,691,698,030.46 = 258,028,218,287.66 : x
  2. Step 2: Convert to fraction form
    290,231,804,926.14/400,691,698,030.46 = 258,028,218,287.66/x
  3. Step 3: Cross multiply
    290,231,804,926.14x = 400,691,698,030.46 × 258,028,218,287.66
  4. Step 4: Simplify right side
    290,231,804,926.14x = 103,389,764,925,456,690,184,192
  5. Step 5: Solve for x
    x = 103,389,764,925,456,690,184,192/290,231,804,926.14
  6. Step 6: Final answer
    x = 356,231,685,055.22

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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.