Home / 785,095,248.51-1,083,431,613.53-427,863,109.79

Finding the Fourth Proportional to 785,095,248.51, 1,083,431,613.53 and 427,863,109.79

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Solution

The fourth proportional to 785,095,248.51, 1,083,431,613.53 and 427,863,109.79 is: 590,451,184.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    785,095,248.51 : 1,083,431,613.53 = 427,863,109.79 : x
  2. Step 2: Convert to fraction form
    785,095,248.51/1,083,431,613.53 = 427,863,109.79/x
  3. Step 3: Cross multiply
    785,095,248.51x = 1,083,431,613.53 × 427,863,109.79
  4. Step 4: Simplify right side
    785,095,248.51x = 463,560,419,413,521,536
  5. Step 5: Solve for x
    x = 463,560,419,413,521,536/785,095,248.51
  6. Step 6: Final answer
    x = 590,451,184.48

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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.