Home / 382,638,328,489.80-528,056,935,312.64-220,058,101,335.21

Finding the Fourth Proportional to 382,638,328,489.80, 528,056,935,312.64 and 220,058,101,335.21

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Solution

The fourth proportional to 382,638,328,489.80, 528,056,935,312.64 and 220,058,101,335.21 is: 303,689,405,712.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    382,638,328,489.80 : 528,056,935,312.64 = 220,058,101,335.21 : x
  2. Step 2: Convert to fraction form
    382,638,328,489.80/528,056,935,312.64 = 220,058,101,335.21/x
  3. Step 3: Cross multiply
    382,638,328,489.80x = 528,056,935,312.64 × 220,058,101,335.21
  4. Step 4: Simplify right side
    382,638,328,489.80x = 116,203,206,581,789,365,633,024
  5. Step 5: Solve for x
    x = 116,203,206,581,789,365,633,024/382,638,328,489.80
  6. Step 6: Final answer
    x = 303,689,405,712.23

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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.