Home / 667,040,554.36-920,516,052.30-369,701,993.26

Finding the Fourth Proportional to 667,040,554.36, 920,516,052.30 and 369,701,993.26

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Solution

The fourth proportional to 667,040,554.36, 920,516,052.30 and 369,701,993.26 is: 510,188,799.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    667,040,554.36 : 920,516,052.30 = 369,701,993.26 : x
  2. Step 2: Convert to fraction form
    667,040,554.36/920,516,052.30 = 369,701,993.26/x
  3. Step 3: Cross multiply
    667,040,554.36x = 920,516,052.30 × 369,701,993.26
  4. Step 4: Simplify right side
    667,040,554.36x = 340,316,619,363,136,384
  5. Step 5: Solve for x
    x = 340,316,619,363,136,384/667,040,554.36
  6. Step 6: Final answer
    x = 510,188,799.07

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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.