Home / 668,640,676.39-1,003,013,794.28-177,354,091.31

Finding the Fourth Proportional to 668,640,676.39, 1,003,013,794.28 and 177,354,091.31

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Solution

The fourth proportional to 668,640,676.39, 1,003,013,794.28 and 177,354,091.31 is: 266,045,136.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    668,640,676.39 : 1,003,013,794.28 = 177,354,091.31 : x
  2. Step 2: Convert to fraction form
    668,640,676.39/1,003,013,794.28 = 177,354,091.31/x
  3. Step 3: Cross multiply
    668,640,676.39x = 1,003,013,794.28 × 177,354,091.31
  4. Step 4: Simplify right side
    668,640,676.39x = 177,888,600,051,352,992
  5. Step 5: Solve for x
    x = 177,888,600,051,352,992/668,640,676.39
  6. Step 6: Final answer
    x = 266,045,136.55

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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.