Home / 2,086,145,999.70-3,129,218,999.55-533,558,832.90

Finding the Fourth Proportional to 2,086,145,999.70, 3,129,218,999.55 and 533,558,832.90

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Solution

The fourth proportional to 2,086,145,999.70, 3,129,218,999.55 and 533,558,832.90 is: 800,338,249.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,086,145,999.70 : 3,129,218,999.55 = 533,558,832.90 : x
  2. Step 2: Convert to fraction form
    2,086,145,999.70/3,129,218,999.55 = 533,558,832.90/x
  3. Step 3: Cross multiply
    2,086,145,999.70x = 3,129,218,999.55 × 533,558,832.90
  4. Step 4: Simplify right side
    2,086,145,999.70x = 1,669,622,437,288,403,712
  5. Step 5: Solve for x
    x = 1,669,622,437,288,403,712/2,086,145,999.70
  6. Step 6: Final answer
    x = 800,338,249.35

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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.