Home / 18,809,387,633.78-25,956,959,171.63-10,351,211,411.05

Finding the Fourth Proportional to 18,809,387,633.78, 25,956,959,171.63 and 10,351,211,411.05

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Solution

The fourth proportional to 18,809,387,633.78, 25,956,959,171.63 and 10,351,211,411.05 is: 14,284,674,078.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,809,387,633.78 : 25,956,959,171.63 = 10,351,211,411.05 : x
  2. Step 2: Convert to fraction form
    18,809,387,633.78/25,956,959,171.63 = 10,351,211,411.05/x
  3. Step 3: Cross multiply
    18,809,387,633.78x = 25,956,959,171.63 × 10,351,211,411.05
  4. Step 4: Simplify right side
    18,809,387,633.78x = 268,685,971,973,556,109,312
  5. Step 5: Solve for x
    x = 268,685,971,973,556,109,312/18,809,387,633.78
  6. Step 6: Final answer
    x = 14,284,674,078.97

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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.