Home / 786,396,593.92-1,085,253,365.27-429,183,930.31

Finding the Fourth Proportional to 786,396,593.92, 1,085,253,365.27 and 429,183,930.31

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Solution

The fourth proportional to 786,396,593.92, 1,085,253,365.27 and 429,183,930.31 is: 592,288,049.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    786,396,593.92 : 1,085,253,365.27 = 429,183,930.31 : x
  2. Step 2: Convert to fraction form
    786,396,593.92/1,085,253,365.27 = 429,183,930.31/x
  3. Step 3: Cross multiply
    786,396,593.92x = 1,085,253,365.27 × 429,183,930.31
  4. Step 4: Simplify right side
    786,396,593.92x = 465,773,304,684,379,392
  5. Step 5: Solve for x
    x = 465,773,304,684,379,392/786,396,593.92
  6. Step 6: Final answer
    x = 592,288,049.43

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1.5x scale

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.