Home / 551,337,004.45-827,005,506.68-426,501,513.55

Finding the Fourth Proportional to 551,337,004.45, 827,005,506.68 and 426,501,513.55

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Solution

The fourth proportional to 551,337,004.45, 827,005,506.68 and 426,501,513.55 is: 639,752,270.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    551,337,004.45 : 827,005,506.68 = 426,501,513.55 : x
  2. Step 2: Convert to fraction form
    551,337,004.45/827,005,506.68 = 426,501,513.55/x
  3. Step 3: Cross multiply
    551,337,004.45x = 827,005,506.68 × 426,501,513.55
  4. Step 4: Simplify right side
    551,337,004.45x = 352,719,100,311,072,128
  5. Step 5: Solve for x
    x = 352,719,100,311,072,128/551,337,004.45
  6. Step 6: Final answer
    x = 639,752,270.33

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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.