Home / 667,040,537.69-920,516,029.30-369,701,976.58

Finding the Fourth Proportional to 667,040,537.69, 920,516,029.30 and 369,701,976.58

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Solution

The fourth proportional to 667,040,537.69, 920,516,029.30 and 369,701,976.58 is: 510,188,776.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    667,040,537.69 : 920,516,029.30 = 369,701,976.58 : x
  2. Step 2: Convert to fraction form
    667,040,537.69/920,516,029.30 = 369,701,976.58/x
  3. Step 3: Cross multiply
    667,040,537.69x = 920,516,029.30 × 369,701,976.58
  4. Step 4: Simplify right side
    667,040,537.69x = 340,316,595,508,074,752
  5. Step 5: Solve for x
    x = 340,316,595,508,074,752/667,040,537.69
  6. Step 6: Final answer
    x = 510,188,776.06

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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.