Home / 18,809,387,635.41-25,956,959,173.88-10,351,211,412.68

Finding the Fourth Proportional to 18,809,387,635.41, 25,956,959,173.88 and 10,351,211,412.68

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Solution

The fourth proportional to 18,809,387,635.41, 25,956,959,173.88 and 10,351,211,412.68 is: 14,284,674,081.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,809,387,635.41 : 25,956,959,173.88 = 10,351,211,412.68 : x
  2. Step 2: Convert to fraction form
    18,809,387,635.41/25,956,959,173.88 = 10,351,211,412.68/x
  3. Step 3: Cross multiply
    18,809,387,635.41x = 25,956,959,173.88 × 10,351,211,412.68
  4. Step 4: Simplify right side
    18,809,387,635.41x = 268,685,972,038,953,926,656
  5. Step 5: Solve for x
    x = 268,685,972,038,953,926,656/18,809,387,635.41
  6. Step 6: Final answer
    x = 14,284,674,081.21

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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.