Home / 386,297,640,735.08-579,446,324,720.52-103,309,129,130.36

Finding the Fourth Proportional to 386,297,640,735.08, 579,446,324,720.52 and 103,309,129,130.36

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Solution

The fourth proportional to 386,297,640,735.08, 579,446,324,720.52 and 103,309,129,130.36 is: 154,963,657,222.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    386,297,640,735.08 : 579,446,324,720.52 = 103,309,129,130.36 : x
  2. Step 2: Convert to fraction form
    386,297,640,735.08/579,446,324,720.52 = 103,309,129,130.36/x
  3. Step 3: Cross multiply
    386,297,640,735.08x = 579,446,324,720.52 × 103,309,129,130.36
  4. Step 4: Simplify right side
    386,297,640,735.08x = 59,862,095,184,664,715,067,392
  5. Step 5: Solve for x
    x = 59,862,095,184,664,715,067,392/386,297,640,735.08
  6. Step 6: Final answer
    x = 154,963,657,222.33

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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.