Home / 412,980,285,674.80-619,470,428,512.20-245,201,385,905.20

Finding the Fourth Proportional to 412,980,285,674.80, 619,470,428,512.20 and 245,201,385,905.20

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Solution

The fourth proportional to 412,980,285,674.80, 619,470,428,512.20 and 245,201,385,905.20 is: 367,802,078,857.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    412,980,285,674.80 : 619,470,428,512.20 = 245,201,385,905.20 : x
  2. Step 2: Convert to fraction form
    412,980,285,674.80/619,470,428,512.20 = 245,201,385,905.20/x
  3. Step 3: Cross multiply
    412,980,285,674.80x = 619,470,428,512.20 × 245,201,385,905.20
  4. Step 4: Simplify right side
    412,980,285,674.80x = 151,895,007,598,479,560,146,944
  5. Step 5: Solve for x
    x = 151,895,007,598,479,560,146,944/412,980,285,674.80
  6. Step 6: Final answer
    x = 367,802,078,857.80

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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.