Home / 930,887,631.70-1,396,331,447.55-412,768,086.10

Finding the Fourth Proportional to 930,887,631.70, 1,396,331,447.55 and 412,768,086.10

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Solution

The fourth proportional to 930,887,631.70, 1,396,331,447.55 and 412,768,086.10 is: 619,152,129.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    930,887,631.70 : 1,396,331,447.55 = 412,768,086.10 : x
  2. Step 2: Convert to fraction form
    930,887,631.70/1,396,331,447.55 = 412,768,086.10/x
  3. Step 3: Cross multiply
    930,887,631.70x = 1,396,331,447.55 × 412,768,086.10
  4. Step 4: Simplify right side
    930,887,631.70x = 576,361,059,166,456,064
  5. Step 5: Solve for x
    x = 576,361,059,166,456,064/930,887,631.70
  6. Step 6: Final answer
    x = 619,152,129.15

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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.