Home / 18,272,798,854.72-25,224,724,963.20-11,508,558,462.56

Finding the Fourth Proportional to 18,272,798,854.72, 25,224,724,963.20 and 11,508,558,462.56

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Solution

The fourth proportional to 18,272,798,854.72, 25,224,724,963.20 and 11,508,558,462.56 is: 15,887,014,586.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,272,798,854.72 : 25,224,724,963.20 = 11,508,558,462.56 : x
  2. Step 2: Convert to fraction form
    18,272,798,854.72/25,224,724,963.20 = 11,508,558,462.56/x
  3. Step 3: Cross multiply
    18,272,798,854.72x = 25,224,724,963.20 × 11,508,558,462.56
  4. Step 4: Simplify right side
    18,272,798,854.72x = 290,300,221,940,983,824,384
  5. Step 5: Solve for x
    x = 290,300,221,940,983,824,384/18,272,798,854.72
  6. Step 6: Final answer
    x = 15,887,014,586.49

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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.