Home / 665,301,384-998,045,853.84-205,276,956.48

Finding the Fourth Proportional to 665,301,384, 998,045,853.84 and 205,276,956.48

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Solution

The fourth proportional to 665,301,384, 998,045,853.84 and 205,276,956.48 is: 307,944,369.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    665,301,384 : 998,045,853.84 = 205,276,956.48 : x
  2. Step 2: Convert to fraction form
    665,301,384/998,045,853.84 = 205,276,956.48/x
  3. Step 3: Cross multiply
    665,301,384x = 998,045,853.84 × 205,276,956.48
  4. Step 4: Simplify right side
    665,301,384x = 204,875,815,303,758,112
  5. Step 5: Solve for x
    x = 204,875,815,303,758,112/665,301,384
  6. Step 6: Final answer
    x = 307,944,369.62

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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.