Home / 10,796,040,008.40-16,194,060,012.60-8,619,257,672.40

Finding the Fourth Proportional to 10,796,040,008.40, 16,194,060,012.60 and 8,619,257,672.40

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Solution

The fourth proportional to 10,796,040,008.40, 16,194,060,012.60 and 8,619,257,672.40 is: 12,928,886,508.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,796,040,008.40 : 16,194,060,012.60 = 8,619,257,672.40 : x
  2. Step 2: Convert to fraction form
    10,796,040,008.40/16,194,060,012.60 = 8,619,257,672.40/x
  3. Step 3: Cross multiply
    10,796,040,008.40x = 16,194,060,012.60 × 8,619,257,672.40
  4. Step 4: Simplify right side
    10,796,040,008.40x = 139,580,776,010,908,581,888
  5. Step 5: Solve for x
    x = 139,580,776,010,908,581,888/10,796,040,008.40
  6. Step 6: Final answer
    x = 12,928,886,508.60

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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.