Home / 455,150,839.84-682,649,255.18-127,550,955.42

Finding the Fourth Proportional to 455,150,839.84, 682,649,255.18 and 127,550,955.42

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Solution

The fourth proportional to 455,150,839.84, 682,649,255.18 and 127,550,955.42 is: 191,304,853.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    455,150,839.84 : 682,649,255.18 = 127,550,955.42 : x
  2. Step 2: Convert to fraction form
    455,150,839.84/682,649,255.18 = 127,550,955.42/x
  3. Step 3: Cross multiply
    455,150,839.84x = 682,649,255.18 × 127,550,955.42
  4. Step 4: Simplify right side
    455,150,839.84x = 87,072,564,715,279,264
  5. Step 5: Solve for x
    x = 87,072,564,715,279,264/455,150,839.84
  6. Step 6: Final answer
    x = 191,304,853.46

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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.