Home / 326,964,113.28-489,961,836.90-269,082,840.06

Finding the Fourth Proportional to 326,964,113.28, 489,961,836.90 and 269,082,840.06

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Solution

The fourth proportional to 326,964,113.28, 489,961,836.90 and 269,082,840.06 is: 403,225,666.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    326,964,113.28 : 489,961,836.90 = 269,082,840.06 : x
  2. Step 2: Convert to fraction form
    326,964,113.28/489,961,836.90 = 269,082,840.06/x
  3. Step 3: Cross multiply
    326,964,113.28x = 489,961,836.90 × 269,082,840.06
  4. Step 4: Simplify right side
    326,964,113.28x = 131,840,322,594,066,496
  5. Step 5: Solve for x
    x = 131,840,322,594,066,496/326,964,113.28
  6. Step 6: Final answer
    x = 403,225,666.79

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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.