Home / 2,157,135,344.55-2,978,902,699.34-2,039,616,107.78

Finding the Fourth Proportional to 2,157,135,344.55, 2,978,902,699.34 and 2,039,616,107.78

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Solution

The fourth proportional to 2,157,135,344.55, 2,978,902,699.34 and 2,039,616,107.78 is: 2,816,614,147.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,157,135,344.55 : 2,978,902,699.34 = 2,039,616,107.78 : x
  2. Step 2: Convert to fraction form
    2,157,135,344.55/2,978,902,699.34 = 2,039,616,107.78/x
  3. Step 3: Cross multiply
    2,157,135,344.55x = 2,978,902,699.34 × 2,039,616,107.78
  4. Step 4: Simplify right side
    2,157,135,344.55x = 6,075,817,929,058,501,632
  5. Step 5: Solve for x
    x = 6,075,817,929,058,501,632/2,157,135,344.55
  6. Step 6: Final answer
    x = 2,816,614,147.28

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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.