Home / 379,702,446,124.76-523,989,763,441.32-206,087,621,361.12

Finding the Fourth Proportional to 379,702,446,124.76, 523,989,763,441.32 and 206,087,621,361.12

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Solution

The fourth proportional to 379,702,446,124.76, 523,989,763,441.32 and 206,087,621,361.12 is: 284,401,127,955.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    379,702,446,124.76 : 523,989,763,441.32 = 206,087,621,361.12 : x
  2. Step 2: Convert to fraction form
    379,702,446,124.76/523,989,763,441.32 = 206,087,621,361.12/x
  3. Step 3: Cross multiply
    379,702,446,124.76x = 523,989,763,441.32 × 206,087,621,361.12
  4. Step 4: Simplify right side
    379,702,446,124.76x = 107,987,803,965,197,597,540,352
  5. Step 5: Solve for x
    x = 107,987,803,965,197,597,540,352/379,702,446,124.76
  6. Step 6: Final answer
    x = 284,401,127,955.11

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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.