Home / 11,921,477,848.94-16,451,990,361.18-6,569,382,971.28

Finding the Fourth Proportional to 11,921,477,848.94, 16,451,990,361.18 and 6,569,382,971.28

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Solution

The fourth proportional to 11,921,477,848.94, 16,451,990,361.18 and 6,569,382,971.28 is: 9,065,941,881.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,921,477,848.94 : 16,451,990,361.18 = 6,569,382,971.28 : x
  2. Step 2: Convert to fraction form
    11,921,477,848.94/16,451,990,361.18 = 6,569,382,971.28/x
  3. Step 3: Cross multiply
    11,921,477,848.94x = 16,451,990,361.18 × 6,569,382,971.28
  4. Step 4: Simplify right side
    11,921,477,848.94x = 108,079,425,322,398,580,736
  5. Step 5: Solve for x
    x = 108,079,425,322,398,580,736/11,921,477,848.94
  6. Step 6: Final answer
    x = 9,065,941,881.69

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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.