Home / 1,782,401,126.40-2,673,601,689.60-1,706,830,216.20

Finding the Fourth Proportional to 1,782,401,126.40, 2,673,601,689.60 and 1,706,830,216.20

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Solution

The fourth proportional to 1,782,401,126.40, 2,673,601,689.60 and 1,706,830,216.20 is: 2,560,245,324.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,782,401,126.40 : 2,673,601,689.60 = 1,706,830,216.20 : x
  2. Step 2: Convert to fraction form
    1,782,401,126.40/2,673,601,689.60 = 1,706,830,216.20/x
  3. Step 3: Cross multiply
    1,782,401,126.40x = 2,673,601,689.60 × 1,706,830,216.20
  4. Step 4: Simplify right side
    1,782,401,126.40x = 4,563,384,149,892,653,056
  5. Step 5: Solve for x
    x = 4,563,384,149,892,653,056/1,782,401,126.40
  6. Step 6: Final answer
    x = 2,560,245,324.30

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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.