Home / 409,092,673.91-564,380,760.96-302,058,512.78

Finding the Fourth Proportional to 409,092,673.91, 564,380,760.96 and 302,058,512.78

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Solution

The fourth proportional to 409,092,673.91, 564,380,760.96 and 302,058,512.78 is: 416,717,345.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    409,092,673.91 : 564,380,760.96 = 302,058,512.78 : x
  2. Step 2: Convert to fraction form
    409,092,673.91/564,380,760.96 = 302,058,512.78/x
  3. Step 3: Cross multiply
    409,092,673.91x = 564,380,760.96 × 302,058,512.78
  4. Step 4: Simplify right side
    409,092,673.91x = 170,476,013,294,400,384
  5. Step 5: Solve for x
    x = 170,476,013,294,400,384/409,092,673.91
  6. Step 6: Final answer
    x = 416,717,345.89

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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.