Home / 20,979,487,468,885-28,949,749,799,143-11,604,083,215,256

Finding the Fourth Proportional to 20,979,487,468,885, 28,949,749,799,143 and 11,604,083,215,256

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Solution

The fourth proportional to 20,979,487,468,885, 28,949,749,799,143 and 11,604,083,215,256 is: 16,012,560,184,243.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,979,487,468,885 : 28,949,749,799,143 = 11,604,083,215,256 : x
  2. Step 2: Convert to fraction form
    20,979,487,468,885/28,949,749,799,143 = 11,604,083,215,256/x
  3. Step 3: Cross multiply
    20,979,487,468,885x = 28,949,749,799,143 × 11,604,083,215,256
  4. Step 4: Simplify right side
    20,979,487,468,885x = 335,935,305,730,096,060,876,980,224
  5. Step 5: Solve for x
    x = 335,935,305,730,096,060,876,980,224/20,979,487,468,885
  6. Step 6: Final answer
    x = 16,012,560,184,243.15

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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.