Home / 298,731,882,317.57-412,251,239,660.10-161,554,708,551.20

Finding the Fourth Proportional to 298,731,882,317.57, 412,251,239,660.10 and 161,554,708,551.20

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Solution

The fourth proportional to 298,731,882,317.57, 412,251,239,660.10 and 161,554,708,551.20 is: 222,946,169,509.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    298,731,882,317.57 : 412,251,239,660.10 = 161,554,708,551.20 : x
  2. Step 2: Convert to fraction form
    298,731,882,317.57/412,251,239,660.10 = 161,554,708,551.20/x
  3. Step 3: Cross multiply
    298,731,882,317.57x = 412,251,239,660.10 × 161,554,708,551.20
  4. Step 4: Simplify right side
    298,731,882,317.57x = 66,601,128,873,158,357,549,056
  5. Step 5: Solve for x
    x = 66,601,128,873,158,357,549,056/298,731,882,317.57
  6. Step 6: Final answer
    x = 222,946,169,509.81

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.