Home / 630,314,003.82-945,505,488.21-261,886,207.29

Finding the Fourth Proportional to 630,314,003.82, 945,505,488.21 and 261,886,207.29

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Solution

The fourth proportional to 630,314,003.82, 945,505,488.21 and 261,886,207.29 is: 392,843,637.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    630,314,003.82 : 945,505,488.21 = 261,886,207.29 : x
  2. Step 2: Convert to fraction form
    630,314,003.82/945,505,488.21 = 261,886,207.29/x
  3. Step 3: Cross multiply
    630,314,003.82x = 945,505,488.21 × 261,886,207.29
  4. Step 4: Simplify right side
    630,314,003.82x = 247,614,846,279,196,704
  5. Step 5: Solve for x
    x = 247,614,846,279,196,704/630,314,003.82
  6. Step 6: Final answer
    x = 392,843,637.90

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.