Home / 15,933,389,151.24-21,990,005,131.43-9,068,454,888.59

Finding the Fourth Proportional to 15,933,389,151.24, 21,990,005,131.43 and 9,068,454,888.59

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Solution

The fourth proportional to 15,933,389,151.24, 21,990,005,131.43 and 9,068,454,888.59 is: 12,515,565,121.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,933,389,151.24 : 21,990,005,131.43 = 9,068,454,888.59 : x
  2. Step 2: Convert to fraction form
    15,933,389,151.24/21,990,005,131.43 = 9,068,454,888.59/x
  3. Step 3: Cross multiply
    15,933,389,151.24x = 21,990,005,131.43 × 9,068,454,888.59
  4. Step 4: Simplify right side
    15,933,389,151.24x = 199,415,369,534,310,875,136
  5. Step 5: Solve for x
    x = 199,415,369,534,310,875,136/15,933,389,151.24
  6. Step 6: Final answer
    x = 12,515,565,121.86

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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.