Home / 168,999,700,768.80-253,499,551,153.20-109,491,913,658.40

Finding the Fourth Proportional to 168,999,700,768.80, 253,499,551,153.20 and 109,491,913,658.40

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Solution

The fourth proportional to 168,999,700,768.80, 253,499,551,153.20 and 109,491,913,658.40 is: 164,237,870,487.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,999,700,768.80 : 253,499,551,153.20 = 109,491,913,658.40 : x
  2. Step 2: Convert to fraction form
    168,999,700,768.80/253,499,551,153.20 = 109,491,913,658.40/x
  3. Step 3: Cross multiply
    168,999,700,768.80x = 253,499,551,153.20 × 109,491,913,658.40
  4. Step 4: Simplify right side
    168,999,700,768.80x = 27,756,150,967,309,330,022,400
  5. Step 5: Solve for x
    x = 27,756,150,967,309,330,022,400/168,999,700,768.80
  6. Step 6: Final answer
    x = 164,237,870,487.60

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.