Home / 18,943,111,442.88-26,139,705,588.64-11,320,639,811.84

Finding the Fourth Proportional to 18,943,111,442.88, 26,139,705,588.64 and 11,320,639,811.84

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Solution

The fourth proportional to 18,943,111,442.88, 26,139,705,588.64 and 11,320,639,811.84 is: 15,621,414,288.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,943,111,442.88 : 26,139,705,588.64 = 11,320,639,811.84 : x
  2. Step 2: Convert to fraction form
    18,943,111,442.88/26,139,705,588.64 = 11,320,639,811.84/x
  3. Step 3: Cross multiply
    18,943,111,442.88x = 26,139,705,588.64 × 11,320,639,811.84
  4. Step 4: Simplify right side
    18,943,111,442.88x = 295,918,191,756,534,546,432
  5. Step 5: Solve for x
    x = 295,918,191,756,534,546,432/18,943,111,442.88
  6. Step 6: Final answer
    x = 15,621,414,288.19

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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.