Home / 21,037,494,670.25-29,032,655,236.31-11,650,120,846.25

Finding the Fourth Proportional to 21,037,494,670.25, 29,032,655,236.31 and 11,650,120,846.25

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Solution

The fourth proportional to 21,037,494,670.25, 29,032,655,236.31 and 11,650,120,846.25 is: 16,077,672,141.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,037,494,670.25 : 29,032,655,236.31 = 11,650,120,846.25 : x
  2. Step 2: Convert to fraction form
    21,037,494,670.25/29,032,655,236.31 = 11,650,120,846.25/x
  3. Step 3: Cross multiply
    21,037,494,670.25x = 29,032,655,236.31 × 11,650,120,846.25
  4. Step 4: Simplify right side
    21,037,494,670.25x = 338,233,941,990,466,125,824
  5. Step 5: Solve for x
    x = 338,233,941,990,466,125,824/21,037,494,670.25
  6. Step 6: Final answer
    x = 16,077,672,141.67

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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.