Home / 13,404,934,879.09-18,498,809,256.26-7,769,419,590.97

Finding the Fourth Proportional to 13,404,934,879.09, 18,498,809,256.26 and 7,769,419,590.97

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Solution

The fourth proportional to 13,404,934,879.09, 18,498,809,256.26 and 7,769,419,590.97 is: 10,721,798,527.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,404,934,879.09 : 18,498,809,256.26 = 7,769,419,590.97 : x
  2. Step 2: Convert to fraction form
    13,404,934,879.09/18,498,809,256.26 = 7,769,419,590.97/x
  3. Step 3: Cross multiply
    13,404,934,879.09x = 18,498,809,256.26 × 7,769,419,590.97
  4. Step 4: Simplify right side
    13,404,934,879.09x = 143,725,011,045,188,829,184
  5. Step 5: Solve for x
    x = 143,725,011,045,188,829,184/13,404,934,879.09
  6. Step 6: Final answer
    x = 10,721,798,527.30

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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.