Home / 424,433,906.93-585,712,792.08-238,794,479.75

Finding the Fourth Proportional to 424,433,906.93, 585,712,792.08 and 238,794,479.75

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Solution

The fourth proportional to 424,433,906.93, 585,712,792.08 and 238,794,479.75 is: 329,533,006.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    424,433,906.93 : 585,712,792.08 = 238,794,479.75 : x
  2. Step 2: Convert to fraction form
    424,433,906.93/585,712,792.08 = 238,794,479.75/x
  3. Step 3: Cross multiply
    424,433,906.93x = 585,712,792.08 × 238,794,479.75
  4. Step 4: Simplify right side
    424,433,906.93x = 139,864,981,464,734,976
  5. Step 5: Solve for x
    x = 139,864,981,464,734,976/424,433,906.93
  6. Step 6: Final answer
    x = 329,533,006.63

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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.