Home / 839,376,044.70-1,259,064,067.05-664,024,134.30

Finding the Fourth Proportional to 839,376,044.70, 1,259,064,067.05 and 664,024,134.30

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Solution

The fourth proportional to 839,376,044.70, 1,259,064,067.05 and 664,024,134.30 is: 996,036,201.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    839,376,044.70 : 1,259,064,067.05 = 664,024,134.30 : x
  2. Step 2: Convert to fraction form
    839,376,044.70/1,259,064,067.05 = 664,024,134.30/x
  3. Step 3: Cross multiply
    839,376,044.70x = 1,259,064,067.05 × 664,024,134.30
  4. Step 4: Simplify right side
    839,376,044.70x = 836,048,927,151,113,344
  5. Step 5: Solve for x
    x = 836,048,927,151,113,344/839,376,044.70
  6. Step 6: Final answer
    x = 996,036,201.45

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Double scale
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Similar ratio
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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.