Home / 8,551,322,418.40-11,796,631,450.98-7,420,705,310.50

Finding the Fourth Proportional to 8,551,322,418.40, 11,796,631,450.98 and 7,420,705,310.50

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Solution

The fourth proportional to 8,551,322,418.40, 11,796,631,450.98 and 7,420,705,310.50 is: 10,236,934,285.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,551,322,418.40 : 11,796,631,450.98 = 7,420,705,310.50 : x
  2. Step 2: Convert to fraction form
    8,551,322,418.40/11,796,631,450.98 = 7,420,705,310.50/x
  3. Step 3: Cross multiply
    8,551,322,418.40x = 11,796,631,450.98 × 7,420,705,310.50
  4. Step 4: Simplify right side
    8,551,322,418.40x = 87,539,325,654,298,607,616
  5. Step 5: Solve for x
    x = 87,539,325,654,298,607,616/8,551,322,418.40
  6. Step 6: Final answer
    x = 10,236,934,285.85

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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.