Home / 819,669,226.32-1,131,140,150.40-443,326,234.32

Finding the Fourth Proportional to 819,669,226.32, 1,131,140,150.40 and 443,326,234.32

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Solution

The fourth proportional to 819,669,226.32, 1,131,140,150.40 and 443,326,234.32 is: 611,788,374.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    819,669,226.32 : 1,131,140,150.40 = 443,326,234.32 : x
  2. Step 2: Convert to fraction form
    819,669,226.32/1,131,140,150.40 = 443,326,234.32/x
  3. Step 3: Cross multiply
    819,669,226.32x = 1,131,140,150.40 × 443,326,234.32
  4. Step 4: Simplify right side
    819,669,226.32x = 501,464,103,364,990,464
  5. Step 5: Solve for x
    x = 501,464,103,364,990,464/819,669,226.32
  6. Step 6: Final answer
    x = 611,788,374.22

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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.