Home / 25,616,056,808.20-38,420,542,272.30-7,941,888,041.80

Finding the Fourth Proportional to 25,616,056,808.20, 38,420,542,272.30 and 7,941,888,041.80

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Solution

The fourth proportional to 25,616,056,808.20, 38,420,542,272.30 and 7,941,888,041.80 is: 11,911,733,625.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,616,056,808.20 : 38,420,542,272.30 = 7,941,888,041.80 : x
  2. Step 2: Convert to fraction form
    25,616,056,808.20/38,420,542,272.30 = 7,941,888,041.80/x
  3. Step 3: Cross multiply
    25,616,056,808.20x = 38,420,542,272.30 × 7,941,888,041.80
  4. Step 4: Simplify right side
    25,616,056,808.20x = 305,131,645,231,850,782,720
  5. Step 5: Solve for x
    x = 305,131,645,231,850,782,720/25,616,056,808.20
  6. Step 6: Final answer
    x = 11,911,733,625.38

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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.