Home / 15,149,536,917.92-20,907,006,602.40-8,466,533,285.84

Finding the Fourth Proportional to 15,149,536,917.92, 20,907,006,602.40 and 8,466,533,285.84

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Solution

The fourth proportional to 15,149,536,917.92, 20,907,006,602.40 and 8,466,533,285.84 is: 11,684,176,768.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,149,536,917.92 : 20,907,006,602.40 = 8,466,533,285.84 : x
  2. Step 2: Convert to fraction form
    15,149,536,917.92/20,907,006,602.40 = 8,466,533,285.84/x
  3. Step 3: Cross multiply
    15,149,536,917.92x = 20,907,006,602.40 × 8,466,533,285.84
  4. Step 4: Simplify right side
    15,149,536,917.92x = 177,009,867,306,496,262,144
  5. Step 5: Solve for x
    x = 177,009,867,306,496,262,144/15,149,536,917.92
  6. Step 6: Final answer
    x = 11,684,176,768.28

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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.