Home / 2,135,797,020.72-2,947,399,462.96-1,183,239,657.20

Finding the Fourth Proportional to 2,135,797,020.72, 2,947,399,462.96 and 1,183,239,657.20

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Solution

The fourth proportional to 2,135,797,020.72, 2,947,399,462.96 and 1,183,239,657.20 is: 1,632,870,491.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,135,797,020.72 : 2,947,399,462.96 = 1,183,239,657.20 : x
  2. Step 2: Convert to fraction form
    2,135,797,020.72/2,947,399,462.96 = 1,183,239,657.20/x
  3. Step 3: Cross multiply
    2,135,797,020.72x = 2,947,399,462.96 × 1,183,239,657.20
  4. Step 4: Simplify right side
    2,135,797,020.72x = 3,487,479,930,184,254,464
  5. Step 5: Solve for x
    x = 3,487,479,930,184,254,464/2,135,797,020.72
  6. Step 6: Final answer
    x = 1,632,870,491.13

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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.