Home / 543,425,495.70-818,768,040.69-491,676,431.16

Finding the Fourth Proportional to 543,425,495.70, 818,768,040.69 and 491,676,431.16

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Solution

The fourth proportional to 543,425,495.70, 818,768,040.69 and 491,676,431.16 is: 740,798,787.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    543,425,495.70 : 818,768,040.69 = 491,676,431.16 : x
  2. Step 2: Convert to fraction form
    543,425,495.70/818,768,040.69 = 491,676,431.16/x
  3. Step 3: Cross multiply
    543,425,495.70x = 818,768,040.69 × 491,676,431.16
  4. Step 4: Simplify right side
    543,425,495.70x = 402,568,948,194,324,928
  5. Step 5: Solve for x
    x = 402,568,948,194,324,928/543,425,495.70
  6. Step 6: Final answer
    x = 740,798,787.29

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.