Home / 10,777,775,680.80-16,166,663,521.20-7,875,399,232.80

Finding the Fourth Proportional to 10,777,775,680.80, 16,166,663,521.20 and 7,875,399,232.80

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Solution

The fourth proportional to 10,777,775,680.80, 16,166,663,521.20 and 7,875,399,232.80 is: 11,813,098,849.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,777,775,680.80 : 16,166,663,521.20 = 7,875,399,232.80 : x
  2. Step 2: Convert to fraction form
    10,777,775,680.80/16,166,663,521.20 = 7,875,399,232.80/x
  3. Step 3: Cross multiply
    10,777,775,680.80x = 16,166,663,521.20 × 7,875,399,232.80
  4. Step 4: Simplify right side
    10,777,775,680.80x = 127,318,929,491,794,231,296
  5. Step 5: Solve for x
    x = 127,318,929,491,794,231,296/10,777,775,680.80
  6. Step 6: Final answer
    x = 11,813,098,849.20

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Double scale
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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.