Home / 21,149,849,296.44-31,718,043,265.05-6,982,177,118.58

Finding the Fourth Proportional to 21,149,849,296.44, 31,718,043,265.05 and 6,982,177,118.58

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Solution

The fourth proportional to 21,149,849,296.44, 31,718,043,265.05 and 6,982,177,118.58 is: 10,471,043,685.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,149,849,296.44 : 31,718,043,265.05 = 6,982,177,118.58 : x
  2. Step 2: Convert to fraction form
    21,149,849,296.44/31,718,043,265.05 = 6,982,177,118.58/x
  3. Step 3: Cross multiply
    21,149,849,296.44x = 31,718,043,265.05 × 6,982,177,118.58
  4. Step 4: Simplify right side
    21,149,849,296.44x = 221,460,995,931,362,590,720
  5. Step 5: Solve for x
    x = 221,460,995,931,362,590,720/21,149,849,296.44
  6. Step 6: Final answer
    x = 10,471,043,685.81

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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.