Home / 534,305,350,578.85-737,341,858,918.60-290,434,819,438.55

Finding the Fourth Proportional to 534,305,350,578.85, 737,341,858,918.60 and 290,434,819,438.55

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Solution

The fourth proportional to 534,305,350,578.85, 737,341,858,918.60 and 290,434,819,438.55 is: 400,800,309,088.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    534,305,350,578.85 : 737,341,858,918.60 = 290,434,819,438.55 : x
  2. Step 2: Convert to fraction form
    534,305,350,578.85/737,341,858,918.60 = 290,434,819,438.55/x
  3. Step 3: Cross multiply
    534,305,350,578.85x = 737,341,858,918.60 × 290,434,819,438.55
  4. Step 4: Simplify right side
    534,305,350,578.85x = 214,149,749,659,508,372,668,416
  5. Step 5: Solve for x
    x = 214,149,749,659,508,372,668,416/534,305,350,578.85
  6. Step 6: Final answer
    x = 400,800,309,088.25

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.