Home / 693,697,941.72-1,040,445,625.32-202,279,158.36

Finding the Fourth Proportional to 693,697,941.72, 1,040,445,625.32 and 202,279,158.36

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Solution

The fourth proportional to 693,697,941.72, 1,040,445,625.32 and 202,279,158.36 is: 303,389,202.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    693,697,941.72 : 1,040,445,625.32 = 202,279,158.36 : x
  2. Step 2: Convert to fraction form
    693,697,941.72/1,040,445,625.32 = 202,279,158.36/x
  3. Step 3: Cross multiply
    693,697,941.72x = 1,040,445,625.32 × 202,279,158.36
  4. Step 4: Simplify right side
    693,697,941.72x = 210,460,465,409,073,536
  5. Step 5: Solve for x
    x = 210,460,465,409,073,536/693,697,941.72
  6. Step 6: Final answer
    x = 303,389,202.64

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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.