Home / 534,305,350,578.80-737,341,858,918.65-290,434,819,438.50

Finding the Fourth Proportional to 534,305,350,578.80, 737,341,858,918.65 and 290,434,819,438.50

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Solution

The fourth proportional to 534,305,350,578.80, 737,341,858,918.65 and 290,434,819,438.50 is: 400,800,309,088.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    534,305,350,578.80 : 737,341,858,918.65 = 290,434,819,438.50 : x
  2. Step 2: Convert to fraction form
    534,305,350,578.80/737,341,858,918.65 = 290,434,819,438.50/x
  3. Step 3: Cross multiply
    534,305,350,578.80x = 737,341,858,918.65 × 290,434,819,438.50
  4. Step 4: Simplify right side
    534,305,350,578.80x = 214,149,749,659,486,058,971,136
  5. Step 5: Solve for x
    x = 214,149,749,659,486,058,971,136/534,305,350,578.80
  6. Step 6: Final answer
    x = 400,800,309,088.25

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Double scale
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1.5x scale

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.