Home / 1,101,263,982.57-1,651,292,189.73-436,604,674.23

Finding the Fourth Proportional to 1,101,263,982.57, 1,651,292,189.73 and 436,604,674.23

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Solution

The fourth proportional to 1,101,263,982.57, 1,651,292,189.73 and 436,604,674.23 is: 654,667,636.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,101,263,982.57 : 1,651,292,189.73 = 436,604,674.23 : x
  2. Step 2: Convert to fraction form
    1,101,263,982.57/1,651,292,189.73 = 436,604,674.23/x
  3. Step 3: Cross multiply
    1,101,263,982.57x = 1,651,292,189.73 × 436,604,674.23
  4. Step 4: Simplify right side
    1,101,263,982.57x = 720,961,888,555,609,984
  5. Step 5: Solve for x
    x = 720,961,888,555,609,984/1,101,263,982.57
  6. Step 6: Final answer
    x = 654,667,636.43

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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.