Home / 403,692,368,802.80-605,538,553,204.20-168,110,100,489.20

Finding the Fourth Proportional to 403,692,368,802.80, 605,538,553,204.20 and 168,110,100,489.20

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Solution

The fourth proportional to 403,692,368,802.80, 605,538,553,204.20 and 168,110,100,489.20 is: 252,165,150,733.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    403,692,368,802.80 : 605,538,553,204.20 = 168,110,100,489.20 : x
  2. Step 2: Convert to fraction form
    403,692,368,802.80/605,538,553,204.20 = 168,110,100,489.20/x
  3. Step 3: Cross multiply
    403,692,368,802.80x = 605,538,553,204.20 × 168,110,100,489.20
  4. Step 4: Simplify right side
    403,692,368,802.80x = 101,797,147,029,242,847,952,896
  5. Step 5: Solve for x
    x = 101,797,147,029,242,847,952,896/403,692,368,802.80
  6. Step 6: Final answer
    x = 252,165,150,733.80

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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.