Home / 621,993,239.20-932,993,346.38-207,468,922.82

Finding the Fourth Proportional to 621,993,239.20, 932,993,346.38 and 207,468,922.82

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Solution

The fourth proportional to 621,993,239.20, 932,993,346.38 and 207,468,922.82 is: 311,204,547.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    621,993,239.20 : 932,993,346.38 = 207,468,922.82 : x
  2. Step 2: Convert to fraction form
    621,993,239.20/932,993,346.38 = 207,468,922.82/x
  3. Step 3: Cross multiply
    621,993,239.20x = 932,993,346.38 × 207,468,922.82
  4. Step 4: Simplify right side
    621,993,239.20x = 193,567,124,565,983,424
  5. Step 5: Solve for x
    x = 193,567,124,565,983,424/621,993,239.20
  6. Step 6: Final answer
    x = 311,204,547.52

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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.