Home / 20,618,690,649.41-30,915,378,558.52-8,012,830,252.88

Finding the Fourth Proportional to 20,618,690,649.41, 30,915,378,558.52 and 8,012,830,252.88

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Solution

The fourth proportional to 20,618,690,649.41, 30,915,378,558.52 and 8,012,830,252.88 is: 12,014,326,457.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,618,690,649.41 : 30,915,378,558.52 = 8,012,830,252.88 : x
  2. Step 2: Convert to fraction form
    20,618,690,649.41/30,915,378,558.52 = 8,012,830,252.88/x
  3. Step 3: Cross multiply
    20,618,690,649.41x = 30,915,378,558.52 × 8,012,830,252.88
  4. Step 4: Simplify right side
    20,618,690,649.41x = 247,719,680,592,914,579,456
  5. Step 5: Solve for x
    x = 247,719,680,592,914,579,456/20,618,690,649.41
  6. Step 6: Final answer
    x = 12,014,326,457.73

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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.