Home / 673,760,090.70-1,010,640,136.05-328,536,017.10

Finding the Fourth Proportional to 673,760,090.70, 1,010,640,136.05 and 328,536,017.10

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Solution

The fourth proportional to 673,760,090.70, 1,010,640,136.05 and 328,536,017.10 is: 492,804,025.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    673,760,090.70 : 1,010,640,136.05 = 328,536,017.10 : x
  2. Step 2: Convert to fraction form
    673,760,090.70/1,010,640,136.05 = 328,536,017.10/x
  3. Step 3: Cross multiply
    673,760,090.70x = 1,010,640,136.05 × 328,536,017.10
  4. Step 4: Simplify right side
    673,760,090.70x = 332,031,685,019,269,120
  5. Step 5: Solve for x
    x = 332,031,685,019,269,120/673,760,090.70
  6. Step 6: Final answer
    x = 492,804,025.65

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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.