Home / 676,770,324.32-934,249,067.69-426,242,902.38

Finding the Fourth Proportional to 676,770,324.32, 934,249,067.69 and 426,242,902.38

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Solution

The fourth proportional to 676,770,324.32, 934,249,067.69 and 426,242,902.38 is: 588,407,942.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    676,770,324.32 : 934,249,067.69 = 426,242,902.38 : x
  2. Step 2: Convert to fraction form
    676,770,324.32/934,249,067.69 = 426,242,902.38/x
  3. Step 3: Cross multiply
    676,770,324.32x = 934,249,067.69 × 426,242,902.38
  4. Step 4: Simplify right side
    676,770,324.32x = 398,217,034,155,863,424
  5. Step 5: Solve for x
    x = 398,217,034,155,863,424/676,770,324.32
  6. Step 6: Final answer
    x = 588,407,942.62

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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.