Home / 21,181,655,605.41-29,232,012,247.97-11,666,205,462.69

Finding the Fourth Proportional to 21,181,655,605.41, 29,232,012,247.97 and 11,666,205,462.69

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Solution

The fourth proportional to 21,181,655,605.41, 29,232,012,247.97 and 11,666,205,462.69 is: 16,100,094,691.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,181,655,605.41 : 29,232,012,247.97 = 11,666,205,462.69 : x
  2. Step 2: Convert to fraction form
    21,181,655,605.41/29,232,012,247.97 = 11,666,205,462.69/x
  3. Step 3: Cross multiply
    21,181,655,605.41x = 29,232,012,247.97 × 11,666,205,462.69
  4. Step 4: Simplify right side
    21,181,655,605.41x = 341,026,660,972,630,310,912
  5. Step 5: Solve for x
    x = 341,026,660,972,630,310,912/21,181,655,605.41
  6. Step 6: Final answer
    x = 16,100,094,691.63

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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.