Home / 393,159,743,998.20-589,739,615,997.30-382,139,783,422.20

Finding the Fourth Proportional to 393,159,743,998.20, 589,739,615,997.30 and 382,139,783,422.20

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Solution

The fourth proportional to 393,159,743,998.20, 589,739,615,997.30 and 382,139,783,422.20 is: 573,209,675,133.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    393,159,743,998.20 : 589,739,615,997.30 = 382,139,783,422.20 : x
  2. Step 2: Convert to fraction form
    393,159,743,998.20/589,739,615,997.30 = 382,139,783,422.20/x
  3. Step 3: Cross multiply
    393,159,743,998.20x = 589,739,615,997.30 × 382,139,783,422.20
  4. Step 4: Simplify right side
    393,159,743,998.20x = 225,362,969,132,699,635,154,944
  5. Step 5: Solve for x
    x = 225,362,969,132,699,635,154,944/393,159,743,998.20
  6. Step 6: Final answer
    x = 573,209,675,133.30

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Double scale
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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.