Home / 12,964,369,676.13-17,880,959,187.90-11,158,954,324.92

Finding the Fourth Proportional to 12,964,369,676.13, 17,880,959,187.90 and 11,158,954,324.92

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Solution

The fourth proportional to 12,964,369,676.13, 17,880,959,187.90 and 11,158,954,324.92 is: 15,390,860,631.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,964,369,676.13 : 17,880,959,187.90 = 11,158,954,324.92 : x
  2. Step 2: Convert to fraction form
    12,964,369,676.13/17,880,959,187.90 = 11,158,954,324.92/x
  3. Step 3: Cross multiply
    12,964,369,676.13x = 17,880,959,187.90 × 11,158,954,324.92
  4. Step 4: Simplify right side
    12,964,369,676.13x = 199,532,806,863,534,718,976
  5. Step 5: Solve for x
    x = 199,532,806,863,534,718,976/12,964,369,676.13
  6. Step 6: Final answer
    x = 15,390,860,631.73

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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.