Home / 823,601,855.11-1,235,401,739.39-210,186,094.63

Finding the Fourth Proportional to 823,601,855.11, 1,235,401,739.39 and 210,186,094.63

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Solution

The fourth proportional to 823,601,855.11, 1,235,401,739.39 and 210,186,094.63 is: 315,278,875.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    823,601,855.11 : 1,235,401,739.39 = 210,186,094.63 : x
  2. Step 2: Convert to fraction form
    823,601,855.11/1,235,401,739.39 = 210,186,094.63/x
  3. Step 3: Cross multiply
    823,601,855.11x = 1,235,401,739.39 × 210,186,094.63
  4. Step 4: Simplify right side
    823,601,855.11x = 259,664,266,901,493,152
  5. Step 5: Solve for x
    x = 259,664,266,901,493,152/823,601,855.11
  6. Step 6: Final answer
    x = 315,278,875.70

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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.