Home / 1,085,561,861.67-1,629,031,515.93-463,781,778.08

Finding the Fourth Proportional to 1,085,561,861.67, 1,629,031,515.93 and 463,781,778.08

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Solution

The fourth proportional to 1,085,561,861.67, 1,629,031,515.93 and 463,781,778.08 is: 695,966,908.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,085,561,861.67 : 1,629,031,515.93 = 463,781,778.08 : x
  2. Step 2: Convert to fraction form
    1,085,561,861.67/1,629,031,515.93 = 463,781,778.08/x
  3. Step 3: Cross multiply
    1,085,561,861.67x = 1,629,031,515.93 × 463,781,778.08
  4. Step 4: Simplify right side
    1,085,561,861.67x = 755,515,132,998,228,096
  5. Step 5: Solve for x
    x = 755,515,132,998,228,096/1,085,561,861.67
  6. Step 6: Final answer
    x = 695,966,908.63

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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.