Home / 382,638,328,478.30-528,056,935,296.80-220,058,101,323.70

Finding the Fourth Proportional to 382,638,328,478.30, 528,056,935,296.80 and 220,058,101,323.70

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Solution

The fourth proportional to 382,638,328,478.30, 528,056,935,296.80 and 220,058,101,323.70 is: 303,689,405,696.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    382,638,328,478.30 : 528,056,935,296.80 = 220,058,101,323.70 : x
  2. Step 2: Convert to fraction form
    382,638,328,478.30/528,056,935,296.80 = 220,058,101,323.70/x
  3. Step 3: Cross multiply
    382,638,328,478.30x = 528,056,935,296.80 × 220,058,101,323.70
  4. Step 4: Simplify right side
    382,638,328,478.30x = 116,203,206,572,225,714,978,816
  5. Step 5: Solve for x
    x = 116,203,206,572,225,714,978,816/382,638,328,478.30
  6. Step 6: Final answer
    x = 303,689,405,696.37

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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.