Home / 13,305,656,757.47-18,361,806,687.47-7,365,209,259.47

Finding the Fourth Proportional to 13,305,656,757.47, 18,361,806,687.47 and 7,365,209,259.47

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Solution

The fourth proportional to 13,305,656,757.47, 18,361,806,687.47 and 7,365,209,259.47 is: 10,163,988,978.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,305,656,757.47 : 18,361,806,687.47 = 7,365,209,259.47 : x
  2. Step 2: Convert to fraction form
    13,305,656,757.47/18,361,806,687.47 = 7,365,209,259.47/x
  3. Step 3: Cross multiply
    13,305,656,757.47x = 18,361,806,687.47 × 7,365,209,259.47
  4. Step 4: Simplify right side
    13,305,656,757.47x = 135,238,548,635,152,220,160
  5. Step 5: Solve for x
    x = 135,238,548,635,152,220,160/13,305,656,757.47
  6. Step 6: Final answer
    x = 10,163,988,978.54

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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.