Home / 315,336,490.44-432,003,770.94-303,546,791.40

Finding the Fourth Proportional to 315,336,490.44, 432,003,770.94 and 303,546,791.40

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Solution

The fourth proportional to 315,336,490.44, 432,003,770.94 and 303,546,791.40 is: 415,852,153.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    315,336,490.44 : 432,003,770.94 = 303,546,791.40 : x
  2. Step 2: Convert to fraction form
    315,336,490.44/432,003,770.94 = 303,546,791.40/x
  3. Step 3: Cross multiply
    315,336,490.44x = 432,003,770.94 × 303,546,791.40
  4. Step 4: Simplify right side
    315,336,490.44x = 131,133,358,541,537,552
  5. Step 5: Solve for x
    x = 131,133,358,541,537,552/315,336,490.44
  6. Step 6: Final answer
    x = 415,852,153.23

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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.