Home / 1,184,981,921.42-1,635,275,021.74-656,379,958.30

Finding the Fourth Proportional to 1,184,981,921.42, 1,635,275,021.74 and 656,379,958.30

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Solution

The fourth proportional to 1,184,981,921.42, 1,635,275,021.74 and 656,379,958.30 is: 905,804,325.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,184,981,921.42 : 1,635,275,021.74 = 656,379,958.30 : x
  2. Step 2: Convert to fraction form
    1,184,981,921.42/1,635,275,021.74 = 656,379,958.30/x
  3. Step 3: Cross multiply
    1,184,981,921.42x = 1,635,275,021.74 × 656,379,958.30
  4. Step 4: Simplify right side
    1,184,981,921.42x = 1,073,361,750,573,003,648
  5. Step 5: Solve for x
    x = 1,073,361,750,573,003,648/1,184,981,921.42
  6. Step 6: Final answer
    x = 905,804,325.94

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Double scale
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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.