Home / 455,150,833.09-682,649,245.06-127,550,948.67

Finding the Fourth Proportional to 455,150,833.09, 682,649,245.06 and 127,550,948.67

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Solution

The fourth proportional to 455,150,833.09, 682,649,245.06 and 127,550,948.67 is: 191,304,843.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    455,150,833.09 : 682,649,245.06 = 127,550,948.67 : x
  2. Step 2: Convert to fraction form
    455,150,833.09/682,649,245.06 = 127,550,948.67/x
  3. Step 3: Cross multiply
    455,150,833.09x = 682,649,245.06 × 127,550,948.67
  4. Step 4: Simplify right side
    455,150,833.09x = 87,072,558,815,943,440
  5. Step 5: Solve for x
    x = 87,072,558,815,943,440/455,150,833.09
  6. Step 6: Final answer
    x = 191,304,843.33

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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.