Home / 393,489,019.40-590,233,529.10-276,146,846.60

Finding the Fourth Proportional to 393,489,019.40, 590,233,529.10 and 276,146,846.60

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Solution

The fourth proportional to 393,489,019.40, 590,233,529.10 and 276,146,846.60 is: 414,220,269.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    393,489,019.40 : 590,233,529.10 = 276,146,846.60 : x
  2. Step 2: Convert to fraction form
    393,489,019.40/590,233,529.10 = 276,146,846.60/x
  3. Step 3: Cross multiply
    393,489,019.40x = 590,233,529.10 × 276,146,846.60
  4. Step 4: Simplify right side
    393,489,019.40x = 162,991,127,818,554,368
  5. Step 5: Solve for x
    x = 162,991,127,818,554,368/393,489,019.40
  6. Step 6: Final answer
    x = 414,220,269.90

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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.