Home / 502,315,962.82-693,040,233.81-293,321,343.94

Finding the Fourth Proportional to 502,315,962.82, 693,040,233.81 and 293,321,343.94

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Solution

The fourth proportional to 502,315,962.82, 693,040,233.81 and 293,321,343.94 is: 404,692,480.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    502,315,962.82 : 693,040,233.81 = 293,321,343.94 : x
  2. Step 2: Convert to fraction form
    502,315,962.82/693,040,233.81 = 293,321,343.94/x
  3. Step 3: Cross multiply
    502,315,962.82x = 693,040,233.81 × 293,321,343.94
  4. Step 4: Simplify right side
    502,315,962.82x = 203,283,492,785,641,024
  5. Step 5: Solve for x
    x = 203,283,492,785,641,024/502,315,962.82
  6. Step 6: Final answer
    x = 404,692,480.10

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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.