Home / 1,105,237,266.57-1,525,361,172.98-629,043,415.34

Finding the Fourth Proportional to 1,105,237,266.57, 1,525,361,172.98 and 629,043,415.34

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Solution

The fourth proportional to 1,105,237,266.57, 1,525,361,172.98 and 629,043,415.34 is: 868,156,033.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,105,237,266.57 : 1,525,361,172.98 = 629,043,415.34 : x
  2. Step 2: Convert to fraction form
    1,105,237,266.57/1,525,361,172.98 = 629,043,415.34/x
  3. Step 3: Cross multiply
    1,105,237,266.57x = 1,525,361,172.98 × 629,043,415.34
  4. Step 4: Simplify right side
    1,105,237,266.57x = 959,518,401,867,595,648
  5. Step 5: Solve for x
    x = 959,518,401,867,595,648/1,105,237,266.57
  6. Step 6: Final answer
    x = 868,156,033.90

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.