Home / 1,095,877,140.54-1,643,649,620.82-298,256,431.41

Finding the Fourth Proportional to 1,095,877,140.54, 1,643,649,620.82 and 298,256,431.41

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Solution

The fourth proportional to 1,095,877,140.54, 1,643,649,620.82 and 298,256,431.41 is: 447,339,443.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,095,877,140.54 : 1,643,649,620.82 = 298,256,431.41 : x
  2. Step 2: Convert to fraction form
    1,095,877,140.54/1,643,649,620.82 = 298,256,431.41/x
  3. Step 3: Cross multiply
    1,095,877,140.54x = 1,643,649,620.82 × 298,256,431.41
  4. Step 4: Simplify right side
    1,095,877,140.54x = 490,229,070,394,172,864
  5. Step 5: Solve for x
    x = 490,229,070,394,172,864/1,095,877,140.54
  6. Step 6: Final answer
    x = 447,339,443.68

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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.