Home / 207,380,774,118.60-311,071,161,177.90-204,074,785,945.80

Finding the Fourth Proportional to 207,380,774,118.60, 311,071,161,177.90 and 204,074,785,945.80

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Solution

The fourth proportional to 207,380,774,118.60, 311,071,161,177.90 and 204,074,785,945.80 is: 306,112,178,918.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,380,774,118.60 : 311,071,161,177.90 = 204,074,785,945.80 : x
  2. Step 2: Convert to fraction form
    207,380,774,118.60/311,071,161,177.90 = 204,074,785,945.80/x
  3. Step 3: Cross multiply
    207,380,774,118.60x = 311,071,161,177.90 × 204,074,785,945.80
  4. Step 4: Simplify right side
    207,380,774,118.60x = 63,481,780,631,291,396,358,144
  5. Step 5: Solve for x
    x = 63,481,780,631,291,396,358,144/207,380,774,118.60
  6. Step 6: Final answer
    x = 306,112,178,918.70

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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.