Home / 23,129,691,514.57-31,911,344,388.94-13,970,798,119.88

Finding the Fourth Proportional to 23,129,691,514.57, 31,911,344,388.94 and 13,970,798,119.88

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Solution

The fourth proportional to 23,129,691,514.57, 31,911,344,388.94 and 13,970,798,119.88 is: 19,275,092,791.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,129,691,514.57 : 31,911,344,388.94 = 13,970,798,119.88 : x
  2. Step 2: Convert to fraction form
    23,129,691,514.57/31,911,344,388.94 = 13,970,798,119.88/x
  3. Step 3: Cross multiply
    23,129,691,514.57x = 31,911,344,388.94 × 13,970,798,119.88
  4. Step 4: Simplify right side
    23,129,691,514.57x = 445,826,950,191,846,064,128
  5. Step 5: Solve for x
    x = 445,826,950,191,846,064,128/23,129,691,514.57
  6. Step 6: Final answer
    x = 19,275,092,791.92

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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.