Home / 15,635,821,859.42-21,577,448,069.82-8,499,235,671.50

Finding the Fourth Proportional to 15,635,821,859.42, 21,577,448,069.82 and 8,499,235,671.50

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Solution

The fourth proportional to 15,635,821,859.42, 21,577,448,069.82 and 8,499,235,671.50 is: 11,728,952,784.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,635,821,859.42 : 21,577,448,069.82 = 8,499,235,671.50 : x
  2. Step 2: Convert to fraction form
    15,635,821,859.42/21,577,448,069.82 = 8,499,235,671.50/x
  3. Step 3: Cross multiply
    15,635,821,859.42x = 21,577,448,069.82 × 8,499,235,671.50
  4. Step 4: Simplify right side
    15,635,821,859.42x = 183,391,816,334,845,083,648
  5. Step 5: Solve for x
    x = 183,391,816,334,845,083,648/15,635,821,859.42
  6. Step 6: Final answer
    x = 11,728,952,784.43

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.