Home / 401,130,495.89-553,356,357.36-261,982,708.37

Finding the Fourth Proportional to 401,130,495.89, 553,356,357.36 and 261,982,708.37

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Solution

The fourth proportional to 401,130,495.89, 553,356,357.36 and 261,982,708.37 is: 361,403,081.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    401,130,495.89 : 553,356,357.36 = 261,982,708.37 : x
  2. Step 2: Convert to fraction form
    401,130,495.89/553,356,357.36 = 261,982,708.37/x
  3. Step 3: Cross multiply
    401,130,495.89x = 553,356,357.36 × 261,982,708.37
  4. Step 4: Simplify right side
    401,130,495.89x = 144,969,797,194,930,400
  5. Step 5: Solve for x
    x = 144,969,797,194,930,400/401,130,495.89
  6. Step 6: Final answer
    x = 361,403,081.24

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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.