Home / 987,098,755.01-1,480,648,042.61-434,401,183.26

Finding the Fourth Proportional to 987,098,755.01, 1,480,648,042.61 and 434,401,183.26

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Solution

The fourth proportional to 987,098,755.01, 1,480,648,042.61 and 434,401,183.26 is: 651,601,735.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    987,098,755.01 : 1,480,648,042.61 = 434,401,183.26 : x
  2. Step 2: Convert to fraction form
    987,098,755.01/1,480,648,042.61 = 434,401,183.26/x
  3. Step 3: Cross multiply
    987,098,755.01x = 1,480,648,042.61 × 434,401,183.26
  4. Step 4: Simplify right side
    987,098,755.01x = 643,195,261,699,214,848
  5. Step 5: Solve for x
    x = 643,195,261,699,214,848/987,098,755.01
  6. Step 6: Final answer
    x = 651,601,735.33

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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.