Home / 11,667,909,761.88-16,101,716,258.44-6,387,511,985.88

Finding the Fourth Proportional to 11,667,909,761.88, 16,101,716,258.44 and 6,387,511,985.88

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Solution

The fourth proportional to 11,667,909,761.88, 16,101,716,258.44 and 6,387,511,985.88 is: 8,814,766,971.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,667,909,761.88 : 16,101,716,258.44 = 6,387,511,985.88 : x
  2. Step 2: Convert to fraction form
    11,667,909,761.88/16,101,716,258.44 = 6,387,511,985.88/x
  3. Step 3: Cross multiply
    11,667,909,761.88x = 16,101,716,258.44 × 6,387,511,985.88
  4. Step 4: Simplify right side
    11,667,909,761.88x = 102,849,905,594,024,378,368
  5. Step 5: Solve for x
    x = 102,849,905,594,024,378,368/11,667,909,761.88
  6. Step 6: Final answer
    x = 8,814,766,971.38

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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.