Home / 268,889,409.85-403,334,114.78-132,840,513.85

Finding the Fourth Proportional to 268,889,409.85, 403,334,114.78 and 132,840,513.85

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Solution

The fourth proportional to 268,889,409.85, 403,334,114.78 and 132,840,513.85 is: 199,260,770.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,889,409.85 : 403,334,114.78 = 132,840,513.85 : x
  2. Step 2: Convert to fraction form
    268,889,409.85/403,334,114.78 = 132,840,513.85/x
  3. Step 3: Cross multiply
    268,889,409.85x = 403,334,114.78 × 132,840,513.85
  4. Step 4: Simplify right side
    268,889,409.85x = 53,579,111,060,610,072
  5. Step 5: Solve for x
    x = 53,579,111,060,610,072/268,889,409.85
  6. Step 6: Final answer
    x = 199,260,770.78

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1.5x scale

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.