Home / 13,305,656,754.63-18,361,806,683.55-7,365,209,256.63

Finding the Fourth Proportional to 13,305,656,754.63, 18,361,806,683.55 and 7,365,209,256.63

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Solution

The fourth proportional to 13,305,656,754.63, 18,361,806,683.55 and 7,365,209,256.63 is: 10,163,988,974.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,305,656,754.63 : 18,361,806,683.55 = 7,365,209,256.63 : x
  2. Step 2: Convert to fraction form
    13,305,656,754.63/18,361,806,683.55 = 7,365,209,256.63/x
  3. Step 3: Cross multiply
    13,305,656,754.63x = 18,361,806,683.55 × 7,365,209,256.63
  4. Step 4: Simplify right side
    13,305,656,754.63x = 135,238,548,554,133,061,632
  5. Step 5: Solve for x
    x = 135,238,548,554,133,061,632/13,305,656,754.63
  6. Step 6: Final answer
    x = 10,163,988,974.62

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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.