Home / 11,874,409,742.72-16,387,005,448.74-6,986,319,447.64

Finding the Fourth Proportional to 11,874,409,742.72, 16,387,005,448.74 and 6,986,319,447.64

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Solution

The fourth proportional to 11,874,409,742.72, 16,387,005,448.74 and 6,986,319,447.64 is: 9,641,309,112.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,874,409,742.72 : 16,387,005,448.74 = 6,986,319,447.64 : x
  2. Step 2: Convert to fraction form
    11,874,409,742.72/16,387,005,448.74 = 6,986,319,447.64/x
  3. Step 3: Cross multiply
    11,874,409,742.72x = 16,387,005,448.74 × 6,986,319,447.64
  4. Step 4: Simplify right side
    11,874,409,742.72x = 114,484,854,855,114,915,840
  5. Step 5: Solve for x
    x = 114,484,854,855,114,915,840/11,874,409,742.72
  6. Step 6: Final answer
    x = 9,641,309,112.25

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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.