Home / 18,272,798,783.64-25,224,724,864.89-11,508,558,391.26

Finding the Fourth Proportional to 18,272,798,783.64, 25,224,724,864.89 and 11,508,558,391.26

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Solution

The fourth proportional to 18,272,798,783.64, 25,224,724,864.89 and 11,508,558,391.26 is: 15,887,014,487.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,272,798,783.64 : 25,224,724,864.89 = 11,508,558,391.26 : x
  2. Step 2: Convert to fraction form
    18,272,798,783.64/25,224,724,864.89 = 11,508,558,391.26/x
  3. Step 3: Cross multiply
    18,272,798,783.64x = 25,224,724,864.89 × 11,508,558,391.26
  4. Step 4: Simplify right side
    18,272,798,783.64x = 290,300,219,011,077,570,560
  5. Step 5: Solve for x
    x = 290,300,219,011,077,570,560/18,272,798,783.64
  6. Step 6: Final answer
    x = 15,887,014,487.95

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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.