Home / 551,143,350-826,427,988.54-259,932,278.79

Finding the Fourth Proportional to 551,143,350, 826,427,988.54 and 259,932,278.79

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Solution

The fourth proportional to 551,143,350, 826,427,988.54 and 259,932,278.79 is: 389,763,044.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    551,143,350 : 826,427,988.54 = 259,932,278.79 : x
  2. Step 2: Convert to fraction form
    551,143,350/826,427,988.54 = 259,932,278.79/x
  3. Step 3: Cross multiply
    551,143,350x = 826,427,988.54 × 259,932,278.79
  4. Step 4: Simplify right side
    551,143,350x = 214,815,310,317,038,176
  5. Step 5: Solve for x
    x = 214,815,310,317,038,176/551,143,350
  6. Step 6: Final answer
    x = 389,763,044.98

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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.