Home / 18,097,320,709.40-27,149,908,117.92-5,505,851,918.89

Finding the Fourth Proportional to 18,097,320,709.40, 27,149,908,117.92 and 5,505,851,918.89

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Solution

The fourth proportional to 18,097,320,709.40, 27,149,908,117.92 and 5,505,851,918.89 is: 8,259,972,628.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,097,320,709.40 : 27,149,908,117.92 = 5,505,851,918.89 : x
  2. Step 2: Convert to fraction form
    18,097,320,709.40/27,149,908,117.92 = 5,505,851,918.89/x
  3. Step 3: Cross multiply
    18,097,320,709.40x = 27,149,908,117.92 × 5,505,851,918.89
  4. Step 4: Simplify right side
    18,097,320,709.40x = 149,483,373,708,636,553,216
  5. Step 5: Solve for x
    x = 149,483,373,708,636,553,216/18,097,320,709.40
  6. Step 6: Final answer
    x = 8,259,972,628.49

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.