Home / 449,363,538.45-620,067,976.97-248,393,264.94

Finding the Fourth Proportional to 449,363,538.45, 620,067,976.97 and 248,393,264.94

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Solution

The fourth proportional to 449,363,538.45, 620,067,976.97 and 248,393,264.94 is: 342,753,018.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    449,363,538.45 : 620,067,976.97 = 248,393,264.94 : x
  2. Step 2: Convert to fraction form
    449,363,538.45/620,067,976.97 = 248,393,264.94/x
  3. Step 3: Cross multiply
    449,363,538.45x = 620,067,976.97 × 248,393,264.94
  4. Step 4: Simplify right side
    449,363,538.45x = 154,020,709,283,077,056
  5. Step 5: Solve for x
    x = 154,020,709,283,077,056/449,363,538.45
  6. Step 6: Final answer
    x = 342,753,018.67

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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.