Home / 18,058,356,009.60-27,087,534,014.40-11,782,144,087.80

Finding the Fourth Proportional to 18,058,356,009.60, 27,087,534,014.40 and 11,782,144,087.80

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Solution

The fourth proportional to 18,058,356,009.60, 27,087,534,014.40 and 11,782,144,087.80 is: 17,673,216,131.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,058,356,009.60 : 27,087,534,014.40 = 11,782,144,087.80 : x
  2. Step 2: Convert to fraction form
    18,058,356,009.60/27,087,534,014.40 = 11,782,144,087.80/x
  3. Step 3: Cross multiply
    18,058,356,009.60x = 27,087,534,014.40 × 11,782,144,087.80
  4. Step 4: Simplify right side
    18,058,356,009.60x = 319,149,228,740,844,388,352
  5. Step 5: Solve for x
    x = 319,149,228,740,844,388,352/18,058,356,009.60
  6. Step 6: Final answer
    x = 17,673,216,131.70

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1.5x scale

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.