Home / 18,957,253,795.11-26,148,410,574.50-12,191,630,922.68

Finding the Fourth Proportional to 18,957,253,795.11, 26,148,410,574.50 and 12,191,630,922.68

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Solution

The fourth proportional to 18,957,253,795.11, 26,148,410,574.50 and 12,191,630,922.68 is: 16,816,347,683.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,957,253,795.11 : 26,148,410,574.50 = 12,191,630,922.68 : x
  2. Step 2: Convert to fraction form
    18,957,253,795.11/26,148,410,574.50 = 12,191,630,922.68/x
  3. Step 3: Cross multiply
    18,957,253,795.11x = 26,148,410,574.50 × 12,191,630,922.68
  4. Step 4: Simplify right side
    18,957,253,795.11x = 318,791,770,938,900,480,000
  5. Step 5: Solve for x
    x = 318,791,770,938,900,480,000/18,957,253,795.11
  6. Step 6: Final answer
    x = 16,816,347,683.29

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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.