Home / 924,379,540.89-1,274,899,954.98-812,631,449.01

Finding the Fourth Proportional to 924,379,540.89, 1,274,899,954.98 and 812,631,449.01

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Solution

The fourth proportional to 924,379,540.89, 1,274,899,954.98 and 812,631,449.01 is: 1,120,777,507.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    924,379,540.89 : 1,274,899,954.98 = 812,631,449.01 : x
  2. Step 2: Convert to fraction form
    924,379,540.89/1,274,899,954.98 = 812,631,449.01/x
  3. Step 3: Cross multiply
    924,379,540.89x = 1,274,899,954.98 × 812,631,449.01
  4. Step 4: Simplify right side
    924,379,540.89x = 1,036,023,797,758,181,120
  5. Step 5: Solve for x
    x = 1,036,023,797,758,181,120/924,379,540.89
  6. Step 6: Final answer
    x = 1,120,777,507.43

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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.