Home / 20,181,512,800.15-30,283,111,121.51-8,398,754,617.75

Finding the Fourth Proportional to 20,181,512,800.15, 30,283,111,121.51 and 8,398,754,617.75

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Solution

The fourth proportional to 20,181,512,800.15, 30,283,111,121.51 and 8,398,754,617.75 is: 12,602,643,909.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,181,512,800.15 : 30,283,111,121.51 = 8,398,754,617.75 : x
  2. Step 2: Convert to fraction form
    20,181,512,800.15/30,283,111,121.51 = 8,398,754,617.75/x
  3. Step 3: Cross multiply
    20,181,512,800.15x = 30,283,111,121.51 × 8,398,754,617.75
  4. Step 4: Simplify right side
    20,181,512,800.15x = 254,340,419,371,618,467,840
  5. Step 5: Solve for x
    x = 254,340,419,371,618,467,840/20,181,512,800.15
  6. Step 6: Final answer
    x = 12,602,643,909.32

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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.