Home / 341,426,650.80-512,140,763.52-196,805,414.64

Finding the Fourth Proportional to 341,426,650.80, 512,140,763.52 and 196,805,414.64

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Solution

The fourth proportional to 341,426,650.80, 512,140,763.52 and 196,805,414.64 is: 295,208,575.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    341,426,650.80 : 512,140,763.52 = 196,805,414.64 : x
  2. Step 2: Convert to fraction form
    341,426,650.80/512,140,763.52 = 196,805,414.64/x
  3. Step 3: Cross multiply
    341,426,650.80x = 512,140,763.52 × 196,805,414.64
  4. Step 4: Simplify right side
    341,426,650.80x = 100,792,075,318,599,776
  5. Step 5: Solve for x
    x = 100,792,075,318,599,776/341,426,650.80
  6. Step 6: Final answer
    x = 295,208,575.79

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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.