Home / 12,185,479,961.31-16,815,982,129.02-6,760,015,709.58

Finding the Fourth Proportional to 12,185,479,961.31, 16,815,982,129.02 and 6,760,015,709.58

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Solution

The fourth proportional to 12,185,479,961.31, 16,815,982,129.02 and 6,760,015,709.58 is: 9,328,832,653.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,185,479,961.31 : 16,815,982,129.02 = 6,760,015,709.58 : x
  2. Step 2: Convert to fraction form
    12,185,479,961.31/16,815,982,129.02 = 6,760,015,709.58/x
  3. Step 3: Cross multiply
    12,185,479,961.31x = 16,815,982,129.02 × 6,760,015,709.58
  4. Step 4: Simplify right side
    12,185,479,961.31x = 113,676,303,364,191,731,712
  5. Step 5: Solve for x
    x = 113,676,303,364,191,731,712/12,185,479,961.31
  6. Step 6: Final answer
    x = 9,328,832,653.71

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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.