Home / 927,426,829.39-1,279,858,911.91-504,040,488.43

Finding the Fourth Proportional to 927,426,829.39, 1,279,858,911.91 and 504,040,488.43

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Solution

The fourth proportional to 927,426,829.39, 1,279,858,911.91 and 504,040,488.43 is: 695,581,247.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    927,426,829.39 : 1,279,858,911.91 = 504,040,488.43 : x
  2. Step 2: Convert to fraction form
    927,426,829.39/1,279,858,911.91 = 504,040,488.43/x
  3. Step 3: Cross multiply
    927,426,829.39x = 1,279,858,911.91 × 504,040,488.43
  4. Step 4: Simplify right side
    927,426,829.39x = 645,100,711,078,526,336
  5. Step 5: Solve for x
    x = 645,100,711,078,526,336/927,426,829.39
  6. Step 6: Final answer
    x = 695,581,247.63

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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.