Home / 18,158,389,100.25-25,058,507,380.90-10,129,723,244.60

Finding the Fourth Proportional to 18,158,389,100.25, 25,058,507,380.90 and 10,129,723,244.60

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Solution

The fourth proportional to 18,158,389,100.25, 25,058,507,380.90 and 10,129,723,244.60 is: 13,978,979,263.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,158,389,100.25 : 25,058,507,380.90 = 10,129,723,244.60 : x
  2. Step 2: Convert to fraction form
    18,158,389,100.25/25,058,507,380.90 = 10,129,723,244.60/x
  3. Step 3: Cross multiply
    18,158,389,100.25x = 25,058,507,380.90 × 10,129,723,244.60
  4. Step 4: Simplify right side
    18,158,389,100.25x = 253,835,744,691,188,465,664
  5. Step 5: Solve for x
    x = 253,835,744,691,188,465,664/18,158,389,100.25
  6. Step 6: Final answer
    x = 13,978,979,263.52

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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.