Home / 419,097,906.20-628,646,859.30-127,964,466.20

Finding the Fourth Proportional to 419,097,906.20, 628,646,859.30 and 127,964,466.20

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Solution

The fourth proportional to 419,097,906.20, 628,646,859.30 and 127,964,466.20 is: 191,946,699.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    419,097,906.20 : 628,646,859.30 = 127,964,466.20 : x
  2. Step 2: Convert to fraction form
    419,097,906.20/628,646,859.30 = 127,964,466.20/x
  3. Step 3: Cross multiply
    419,097,906.20x = 628,646,859.30 × 127,964,466.20
  4. Step 4: Simplify right side
    419,097,906.20x = 80,444,459,778,631,008
  5. Step 5: Solve for x
    x = 80,444,459,778,631,008/419,097,906.20
  6. Step 6: Final answer
    x = 191,946,699.30

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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.