Home / 295,611,760.75-407,752,011.56-189,597,255.78

Finding the Fourth Proportional to 295,611,760.75, 407,752,011.56 and 189,597,255.78

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Solution

The fourth proportional to 295,611,760.75, 407,752,011.56 and 189,597,255.78 is: 261,520,929.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    295,611,760.75 : 407,752,011.56 = 189,597,255.78 : x
  2. Step 2: Convert to fraction form
    295,611,760.75/407,752,011.56 = 189,597,255.78/x
  3. Step 3: Cross multiply
    295,611,760.75x = 407,752,011.56 × 189,597,255.78
  4. Step 4: Simplify right side
    295,611,760.75x = 77,308,662,431,090,160
  5. Step 5: Solve for x
    x = 77,308,662,431,090,160/295,611,760.75
  6. Step 6: Final answer
    x = 261,520,929.46

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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.