Home / 1,049,035,014.70-1,448,321,773.82-667,772,250.88

Finding the Fourth Proportional to 1,049,035,014.70, 1,448,321,773.82 and 667,772,250.88

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Solution

The fourth proportional to 1,049,035,014.70, 1,448,321,773.82 and 667,772,250.88 is: 921,941,667.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,049,035,014.70 : 1,448,321,773.82 = 667,772,250.88 : x
  2. Step 2: Convert to fraction form
    1,049,035,014.70/1,448,321,773.82 = 667,772,250.88/x
  3. Step 3: Cross multiply
    1,049,035,014.70x = 1,448,321,773.82 × 667,772,250.88
  4. Step 4: Simplify right side
    1,049,035,014.70x = 967,149,090,908,801,664
  5. Step 5: Solve for x
    x = 967,149,090,908,801,664/1,049,035,014.70
  6. Step 6: Final answer
    x = 921,941,667.68

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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.