Home / 315,336,561.30-432,003,867.17-303,546,862.26

Finding the Fourth Proportional to 315,336,561.30, 432,003,867.17 and 303,546,862.26

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Solution

The fourth proportional to 315,336,561.30, 432,003,867.17 and 303,546,862.26 is: 415,852,249.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    315,336,561.30 : 432,003,867.17 = 303,546,862.26 : x
  2. Step 2: Convert to fraction form
    315,336,561.30/432,003,867.17 = 303,546,862.26/x
  3. Step 3: Cross multiply
    315,336,561.30x = 432,003,867.17 × 303,546,862.26
  4. Step 4: Simplify right side
    315,336,561.30x = 131,133,418,362,121,600
  5. Step 5: Solve for x
    x = 131,133,418,362,121,600/315,336,561.30
  6. Step 6: Final answer
    x = 415,852,249.49

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.