Home / 382,638,328,490.80-528,056,935,314.02-220,058,101,336.21

Finding the Fourth Proportional to 382,638,328,490.80, 528,056,935,314.02 and 220,058,101,336.21

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Solution

The fourth proportional to 382,638,328,490.80, 528,056,935,314.02 and 220,058,101,336.21 is: 303,689,405,713.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    382,638,328,490.80 : 528,056,935,314.02 = 220,058,101,336.21 : x
  2. Step 2: Convert to fraction form
    382,638,328,490.80/528,056,935,314.02 = 220,058,101,336.21/x
  3. Step 3: Cross multiply
    382,638,328,490.80x = 528,056,935,314.02 × 220,058,101,336.21
  4. Step 4: Simplify right side
    382,638,328,490.80x = 116,203,206,582,621,096,116,224
  5. Step 5: Solve for x
    x = 116,203,206,582,621,096,116,224/382,638,328,490.80
  6. Step 6: Final answer
    x = 303,689,405,713.61

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.