Home / 962,405,928.78-1,443,377,747.61-444,338,608.38

Finding the Fourth Proportional to 962,405,928.78, 1,443,377,747.61 and 444,338,608.38

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Solution

The fourth proportional to 962,405,928.78, 1,443,377,747.61 and 444,338,608.38 is: 666,401,193.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    962,405,928.78 : 1,443,377,747.61 = 444,338,608.38 : x
  2. Step 2: Convert to fraction form
    962,405,928.78/1,443,377,747.61 = 444,338,608.38/x
  3. Step 3: Cross multiply
    962,405,928.78x = 1,443,377,747.61 × 444,338,608.38
  4. Step 4: Simplify right side
    962,405,928.78x = 641,348,459,739,686,272
  5. Step 5: Solve for x
    x = 641,348,459,739,686,272/962,405,928.78
  6. Step 6: Final answer
    x = 666,401,193.68

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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.