Home / 13,305,656,755.63-18,361,806,684.93-7,365,209,257.63

Finding the Fourth Proportional to 13,305,656,755.63, 18,361,806,684.93 and 7,365,209,257.63

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Solution

The fourth proportional to 13,305,656,755.63, 18,361,806,684.93 and 7,365,209,257.63 is: 10,163,988,976.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,305,656,755.63 : 18,361,806,684.93 = 7,365,209,257.63 : x
  2. Step 2: Convert to fraction form
    13,305,656,755.63/18,361,806,684.93 = 7,365,209,257.63/x
  3. Step 3: Cross multiply
    13,305,656,755.63x = 18,361,806,684.93 × 7,365,209,257.63
  4. Step 4: Simplify right side
    13,305,656,755.63x = 135,238,548,582,658,867,200
  5. Step 5: Solve for x
    x = 135,238,548,582,658,867,200/13,305,656,755.63
  6. Step 6: Final answer
    x = 10,163,988,976.00

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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.