Home / 641,159,479,743.92-961,738,667,033.88-163,628,739,459.44

Finding the Fourth Proportional to 641,159,479,743.92, 961,738,667,033.88 and 163,628,739,459.44

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Solution

The fourth proportional to 641,159,479,743.92, 961,738,667,033.88 and 163,628,739,459.44 is: 245,442,968,166.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    641,159,479,743.92 : 961,738,667,033.88 = 163,628,739,459.44 : x
  2. Step 2: Convert to fraction form
    641,159,479,743.92/961,738,667,033.88 = 163,628,739,459.44/x
  3. Step 3: Cross multiply
    641,159,479,743.92x = 961,738,667,033.88 × 163,628,739,459.44
  4. Step 4: Simplify right side
    641,159,479,743.92x = 157,368,085,776,155,858,173,952
  5. Step 5: Solve for x
    x = 157,368,085,776,155,858,173,952/641,159,479,743.92
  6. Step 6: Final answer
    x = 245,442,968,166.06

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.