Home / 684,721,343.46-1,027,746,177.19-330,444,945.21

Finding the Fourth Proportional to 684,721,343.46, 1,027,746,177.19 and 330,444,945.21

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Solution

The fourth proportional to 684,721,343.46, 1,027,746,177.19 and 330,444,945.21 is: 495,987,940.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    684,721,343.46 : 1,027,746,177.19 = 330,444,945.21 : x
  2. Step 2: Convert to fraction form
    684,721,343.46/1,027,746,177.19 = 330,444,945.21/x
  3. Step 3: Cross multiply
    684,721,343.46x = 1,027,746,177.19 × 330,444,945.21
  4. Step 4: Simplify right side
    684,721,343.46x = 339,613,529,211,336,512
  5. Step 5: Solve for x
    x = 339,613,529,211,336,512/684,721,343.46
  6. Step 6: Final answer
    x = 495,987,940.87

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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.