Home / 551,123,998.80-826,685,998.20-223,756,342.80

Finding the Fourth Proportional to 551,123,998.80, 826,685,998.20 and 223,756,342.80

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Solution

The fourth proportional to 551,123,998.80, 826,685,998.20 and 223,756,342.80 is: 335,634,514.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    551,123,998.80 : 826,685,998.20 = 223,756,342.80 : x
  2. Step 2: Convert to fraction form
    551,123,998.80/826,685,998.20 = 223,756,342.80/x
  3. Step 3: Cross multiply
    551,123,998.80x = 826,685,998.20 × 223,756,342.80
  4. Step 4: Simplify right side
    551,123,998.80x = 184,976,235,601,199,392
  5. Step 5: Solve for x
    x = 184,976,235,601,199,392/551,123,998.80
  6. Step 6: Final answer
    x = 335,634,514.20

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Double scale
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Similar ratio
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1.5x scale

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.