Home / 777,027,544.68-1,072,359,150.30-442,514,224.20

Finding the Fourth Proportional to 777,027,544.68, 1,072,359,150.30 and 442,514,224.20

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Solution

The fourth proportional to 777,027,544.68, 1,072,359,150.30 and 442,514,224.20 is: 610,704,447.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    777,027,544.68 : 1,072,359,150.30 = 442,514,224.20 : x
  2. Step 2: Convert to fraction form
    777,027,544.68/1,072,359,150.30 = 442,514,224.20/x
  3. Step 3: Cross multiply
    777,027,544.68x = 1,072,359,150.30 × 442,514,224.20
  4. Step 4: Simplify right side
    777,027,544.68x = 474,534,177,458,775,680
  5. Step 5: Solve for x
    x = 474,534,177,458,775,680/777,027,544.68
  6. Step 6: Final answer
    x = 610,704,447.62

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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.