Home / 5,113,738,813.44-7,670,831,469.12-1,620,401,727.36

Finding the Fourth Proportional to 5,113,738,813.44, 7,670,831,469.12 and 1,620,401,727.36

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Solution

The fourth proportional to 5,113,738,813.44, 7,670,831,469.12 and 1,620,401,727.36 is: 2,430,673,332.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,113,738,813.44 : 7,670,831,469.12 = 1,620,401,727.36 : x
  2. Step 2: Convert to fraction form
    5,113,738,813.44/7,670,831,469.12 = 1,620,401,727.36/x
  3. Step 3: Cross multiply
    5,113,738,813.44x = 7,670,831,469.12 × 1,620,401,727.36
  4. Step 4: Simplify right side
    5,113,738,813.44x = 12,429,828,562,849,492,992
  5. Step 5: Solve for x
    x = 12,429,828,562,849,492,992/5,113,738,813.44
  6. Step 6: Final answer
    x = 2,430,673,332.43

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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.