Home / 752,329,514.78-1,038,186,287.38-417,823,584.86

Finding the Fourth Proportional to 752,329,514.78, 1,038,186,287.38 and 417,823,584.86

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Solution

The fourth proportional to 752,329,514.78, 1,038,186,287.38 and 417,823,584.86 is: 576,580,750.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    752,329,514.78 : 1,038,186,287.38 = 417,823,584.86 : x
  2. Step 2: Convert to fraction form
    752,329,514.78/1,038,186,287.38 = 417,823,584.86/x
  3. Step 3: Cross multiply
    752,329,514.78x = 1,038,186,287.38 × 417,823,584.86
  4. Step 4: Simplify right side
    752,329,514.78x = 433,778,716,345,605,760
  5. Step 5: Solve for x
    x = 433,778,716,345,605,760/752,329,514.78
  6. Step 6: Final answer
    x = 576,580,750.62

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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.