Home / 21,258,144,003.80-31,887,216,005.70-11,462,623,491.80

Finding the Fourth Proportional to 21,258,144,003.80, 31,887,216,005.70 and 11,462,623,491.80

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Solution

The fourth proportional to 21,258,144,003.80, 31,887,216,005.70 and 11,462,623,491.80 is: 17,193,935,237.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,258,144,003.80 : 31,887,216,005.70 = 11,462,623,491.80 : x
  2. Step 2: Convert to fraction form
    21,258,144,003.80/31,887,216,005.70 = 11,462,623,491.80/x
  3. Step 3: Cross multiply
    21,258,144,003.80x = 31,887,216,005.70 × 11,462,623,491.80
  4. Step 4: Simplify right side
    21,258,144,003.80x = 365,511,151,275,037,753,344
  5. Step 5: Solve for x
    x = 365,511,151,275,037,753,344/21,258,144,003.80
  6. Step 6: Final answer
    x = 17,193,935,237.70

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.