Home / 386,297,640,674.06-579,446,324,629.08-103,309,129,069.48

Finding the Fourth Proportional to 386,297,640,674.06, 579,446,324,629.08 and 103,309,129,069.48

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Solution

The fourth proportional to 386,297,640,674.06, 579,446,324,629.08 and 103,309,129,069.48 is: 154,963,657,131.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    386,297,640,674.06 : 579,446,324,629.08 = 103,309,129,069.48 : x
  2. Step 2: Convert to fraction form
    386,297,640,674.06/579,446,324,629.08 = 103,309,129,069.48/x
  3. Step 3: Cross multiply
    386,297,640,674.06x = 579,446,324,629.08 × 103,309,129,069.48
  4. Step 4: Simplify right side
    386,297,640,674.06x = 59,862,095,139,941,430,329,344
  5. Step 5: Solve for x
    x = 59,862,095,139,941,430,329,344/386,297,640,674.06
  6. Step 6: Final answer
    x = 154,963,657,131.03

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.