Home / 19,153,519,424.79-26,432,659,811.37-11,015,329,190.52

Finding the Fourth Proportional to 19,153,519,424.79, 26,432,659,811.37 and 11,015,329,190.52

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Solution

The fourth proportional to 19,153,519,424.79, 26,432,659,811.37 and 11,015,329,190.52 is: 15,201,616,097.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,153,519,424.79 : 26,432,659,811.37 = 11,015,329,190.52 : x
  2. Step 2: Convert to fraction form
    19,153,519,424.79/26,432,659,811.37 = 11,015,329,190.52/x
  3. Step 3: Cross multiply
    19,153,519,424.79x = 26,432,659,811.37 × 11,015,329,190.52
  4. Step 4: Simplify right side
    19,153,519,424.79x = 291,164,449,203,268,845,568
  5. Step 5: Solve for x
    x = 291,164,449,203,268,845,568/19,153,519,424.79
  6. Step 6: Final answer
    x = 15,201,616,097.06

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Double scale
Find fourth proportional to 19,153,519,425.79, 26,432,659,812.75 and 11,015,329,191.52
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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.