Home / 11,667,909,761.39-16,101,716,257.75-6,387,511,985.39

Finding the Fourth Proportional to 11,667,909,761.39, 16,101,716,257.75 and 6,387,511,985.39

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Solution

The fourth proportional to 11,667,909,761.39, 16,101,716,257.75 and 6,387,511,985.39 is: 8,814,766,970.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,667,909,761.39 : 16,101,716,257.75 = 6,387,511,985.39 : x
  2. Step 2: Convert to fraction form
    11,667,909,761.39/16,101,716,257.75 = 6,387,511,985.39/x
  3. Step 3: Cross multiply
    11,667,909,761.39x = 16,101,716,257.75 × 6,387,511,985.39
  4. Step 4: Simplify right side
    11,667,909,761.39x = 102,849,905,581,646,643,200
  5. Step 5: Solve for x
    x = 102,849,905,581,646,643,200/11,667,909,761.39
  6. Step 6: Final answer
    x = 8,814,766,970.69

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Double scale
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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.