Home / 18,272,798,832.76-25,224,724,932.72-11,508,558,440.52

Finding the Fourth Proportional to 18,272,798,832.76, 25,224,724,932.72 and 11,508,558,440.52

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Solution

The fourth proportional to 18,272,798,832.76, 25,224,724,932.72 and 11,508,558,440.52 is: 15,887,014,555.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,272,798,832.76 : 25,224,724,932.72 = 11,508,558,440.52 : x
  2. Step 2: Convert to fraction form
    18,272,798,832.76/25,224,724,932.72 = 11,508,558,440.52/x
  3. Step 3: Cross multiply
    18,272,798,832.76x = 25,224,724,932.72 × 11,508,558,440.52
  4. Step 4: Simplify right side
    18,272,798,832.76x = 290,300,221,034,250,076,160
  5. Step 5: Solve for x
    x = 290,300,221,034,250,076,160/18,272,798,832.76
  6. Step 6: Final answer
    x = 15,887,014,555.96

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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.