Home / 21,244,509,620.95-29,319,994,109.59-12,091,264,058.20

Finding the Fourth Proportional to 21,244,509,620.95, 29,319,994,109.59 and 12,091,264,058.20

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Solution

The fourth proportional to 21,244,509,620.95, 29,319,994,109.59 and 12,091,264,058.20 is: 16,687,407,583.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,244,509,620.95 : 29,319,994,109.59 = 12,091,264,058.20 : x
  2. Step 2: Convert to fraction form
    21,244,509,620.95/29,319,994,109.59 = 12,091,264,058.20/x
  3. Step 3: Cross multiply
    21,244,509,620.95x = 29,319,994,109.59 × 12,091,264,058.20
  4. Step 4: Simplify right side
    21,244,509,620.95x = 354,515,790,963,860,832,256
  5. Step 5: Solve for x
    x = 354,515,790,963,860,832,256/21,244,509,620.95
  6. Step 6: Final answer
    x = 16,687,407,583.85

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1.5x scale

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.