Home / 551,337,009.45-827,005,514.18-426,501,518.55

Finding the Fourth Proportional to 551,337,009.45, 827,005,514.18 and 426,501,518.55

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Solution

The fourth proportional to 551,337,009.45, 827,005,514.18 and 426,501,518.55 is: 639,752,277.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    551,337,009.45 : 827,005,514.18 = 426,501,518.55 : x
  2. Step 2: Convert to fraction form
    551,337,009.45/827,005,514.18 = 426,501,518.55/x
  3. Step 3: Cross multiply
    551,337,009.45x = 827,005,514.18 × 426,501,518.55
  4. Step 4: Simplify right side
    551,337,009.45x = 352,719,107,646,993,536
  5. Step 5: Solve for x
    x = 352,719,107,646,993,536/551,337,009.45
  6. Step 6: Final answer
    x = 639,752,277.83

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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.