Home / 382,508,572.96-527,821,130.79-215,241,919.33

Finding the Fourth Proportional to 382,508,572.96, 527,821,130.79 and 215,241,919.33

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Solution

The fourth proportional to 382,508,572.96, 527,821,130.79 and 215,241,919.33 is: 297,010,946.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    382,508,572.96 : 527,821,130.79 = 215,241,919.33 : x
  2. Step 2: Convert to fraction form
    382,508,572.96/527,821,130.79 = 215,241,919.33/x
  3. Step 3: Cross multiply
    382,508,572.96x = 527,821,130.79 × 215,241,919.33
  4. Step 4: Simplify right side
    382,508,572.96x = 113,609,233,254,170,576
  5. Step 5: Solve for x
    x = 113,609,233,254,170,576/382,508,572.96
  6. Step 6: Final answer
    x = 297,010,946.38

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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.