Home / 317,650,399.43-438,368,183.87-176,527,568.42

Finding the Fourth Proportional to 317,650,399.43, 438,368,183.87 and 176,527,568.42

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Solution

The fourth proportional to 317,650,399.43, 438,368,183.87 and 176,527,568.42 is: 243,613,953.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    317,650,399.43 : 438,368,183.87 = 176,527,568.42 : x
  2. Step 2: Convert to fraction form
    317,650,399.43/438,368,183.87 = 176,527,568.42/x
  3. Step 3: Cross multiply
    317,650,399.43x = 438,368,183.87 × 176,527,568.42
  4. Step 4: Simplify right side
    317,650,399.43x = 77,384,069,571,262,560
  5. Step 5: Solve for x
    x = 77,384,069,571,262,560/317,650,399.43
  6. Step 6: Final answer
    x = 243,613,953.30

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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.