Home / 18,408,427,842.96-25,404,257,227.73-10,682,900,913.22

Finding the Fourth Proportional to 18,408,427,842.96, 25,404,257,227.73 and 10,682,900,913.22

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Solution

The fourth proportional to 18,408,427,842.96, 25,404,257,227.73 and 10,682,900,913.22 is: 14,742,767,011.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,408,427,842.96 : 25,404,257,227.73 = 10,682,900,913.22 : x
  2. Step 2: Convert to fraction form
    18,408,427,842.96/25,404,257,227.73 = 10,682,900,913.22/x
  3. Step 3: Cross multiply
    18,408,427,842.96x = 25,404,257,227.73 × 10,682,900,913.22
  4. Step 4: Simplify right side
    18,408,427,842.96x = 271,391,162,737,745,821,696
  5. Step 5: Solve for x
    x = 271,391,162,737,745,821,696/18,408,427,842.96
  6. Step 6: Final answer
    x = 14,742,767,011.55

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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.