Home / 474,366,906.33-654,590,588.73-288,707,402.49

Finding the Fourth Proportional to 474,366,906.33, 654,590,588.73 and 288,707,402.49

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Solution

The fourth proportional to 474,366,906.33, 654,590,588.73 and 288,707,402.49 is: 398,394,462.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    474,366,906.33 : 654,590,588.73 = 288,707,402.49 : x
  2. Step 2: Convert to fraction form
    474,366,906.33/654,590,588.73 = 288,707,402.49/x
  3. Step 3: Cross multiply
    474,366,906.33x = 654,590,588.73 × 288,707,402.49
  4. Step 4: Simplify right side
    474,366,906.33x = 188,985,148,566,638,176
  5. Step 5: Solve for x
    x = 188,985,148,566,638,176/474,366,906.33
  6. Step 6: Final answer
    x = 398,394,462.27

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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.