Home / 824,463,055.82-1,236,693,796.40-211,046,297.42

Finding the Fourth Proportional to 824,463,055.82, 1,236,693,796.40 and 211,046,297.42

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Solution

The fourth proportional to 824,463,055.82, 1,236,693,796.40 and 211,046,297.42 is: 316,569,244.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    824,463,055.82 : 1,236,693,796.40 = 211,046,297.42 : x
  2. Step 2: Convert to fraction form
    824,463,055.82/1,236,693,796.40 = 211,046,297.42/x
  3. Step 3: Cross multiply
    824,463,055.82x = 1,236,693,796.40 × 211,046,297.42
  4. Step 4: Simplify right side
    824,463,055.82x = 260,999,646,772,503,328
  5. Step 5: Solve for x
    x = 260,999,646,772,503,328/824,463,055.82
  6. Step 6: Final answer
    x = 316,569,244.59

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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.