Home / 38,263,827,739.20-57,395,741,608.80-18,672,786,715.20

Finding the Fourth Proportional to 38,263,827,739.20, 57,395,741,608.80 and 18,672,786,715.20

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Solution

The fourth proportional to 38,263,827,739.20, 57,395,741,608.80 and 18,672,786,715.20 is: 28,009,180,072.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,263,827,739.20 : 57,395,741,608.80 = 18,672,786,715.20 : x
  2. Step 2: Convert to fraction form
    38,263,827,739.20/57,395,741,608.80 = 18,672,786,715.20/x
  3. Step 3: Cross multiply
    38,263,827,739.20x = 57,395,741,608.80 × 18,672,786,715.20
  4. Step 4: Simplify right side
    38,263,827,739.20x = 1,071,738,441,421,852,639,232
  5. Step 5: Solve for x
    x = 1,071,738,441,421,852,639,232/38,263,827,739.20
  6. Step 6: Final answer
    x = 28,009,180,072.80

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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.