Home / 15,149,536,917.42-20,907,006,601.71-8,466,533,285.34

Finding the Fourth Proportional to 15,149,536,917.42, 20,907,006,601.71 and 8,466,533,285.34

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Solution

The fourth proportional to 15,149,536,917.42, 20,907,006,601.71 and 8,466,533,285.34 is: 11,684,176,767.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,149,536,917.42 : 20,907,006,601.71 = 8,466,533,285.34 : x
  2. Step 2: Convert to fraction form
    15,149,536,917.42/20,907,006,601.71 = 8,466,533,285.34/x
  3. Step 3: Cross multiply
    15,149,536,917.42x = 20,907,006,601.71 × 8,466,533,285.34
  4. Step 4: Simplify right side
    15,149,536,917.42x = 177,009,867,290,200,834,048
  5. Step 5: Solve for x
    x = 177,009,867,290,200,834,048/15,149,536,917.42
  6. Step 6: Final answer
    x = 11,684,176,767.59

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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.