Home / 919,531,218.56-1,378,176,270.48-476,629,722.54

Finding the Fourth Proportional to 919,531,218.56, 1,378,176,270.48 and 476,629,722.54

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Solution

The fourth proportional to 919,531,218.56, 1,378,176,270.48 and 476,629,722.54 is: 714,363,754.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    919,531,218.56 : 1,378,176,270.48 = 476,629,722.54 : x
  2. Step 2: Convert to fraction form
    919,531,218.56/1,378,176,270.48 = 476,629,722.54/x
  3. Step 3: Cross multiply
    919,531,218.56x = 1,378,176,270.48 × 476,629,722.54
  4. Step 4: Simplify right side
    919,531,218.56x = 656,879,773,410,094,464
  5. Step 5: Solve for x
    x = 656,879,773,410,094,464/919,531,218.56
  6. Step 6: Final answer
    x = 714,363,754.22

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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.