Home / 404,459,138.80-606,688,708.20-336,378,703.60

Finding the Fourth Proportional to 404,459,138.80, 606,688,708.20 and 336,378,703.60

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Solution

The fourth proportional to 404,459,138.80, 606,688,708.20 and 336,378,703.60 is: 504,568,055.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    404,459,138.80 : 606,688,708.20 = 336,378,703.60 : x
  2. Step 2: Convert to fraction form
    404,459,138.80/606,688,708.20 = 336,378,703.60/x
  3. Step 3: Cross multiply
    404,459,138.80x = 606,688,708.20 × 336,378,703.60
  4. Step 4: Simplify right side
    404,459,138.80x = 204,077,161,153,074,720
  5. Step 5: Solve for x
    x = 204,077,161,153,074,720/404,459,138.80
  6. Step 6: Final answer
    x = 504,568,055.40

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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.