Home / 526,315,568.58-726,286,710-288,114,672.78

Finding the Fourth Proportional to 526,315,568.58, 726,286,710 and 288,114,672.78

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Solution

The fourth proportional to 526,315,568.58, 726,286,710 and 288,114,672.78 is: 397,582,496.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    526,315,568.58 : 726,286,710 = 288,114,672.78 : x
  2. Step 2: Convert to fraction form
    526,315,568.58/726,286,710 = 288,114,672.78/x
  3. Step 3: Cross multiply
    526,315,568.58x = 726,286,710 × 288,114,672.78
  4. Step 4: Simplify right side
    526,315,568.58x = 209,253,857,796,112,736
  5. Step 5: Solve for x
    x = 209,253,857,796,112,736/526,315,568.58
  6. Step 6: Final answer
    x = 397,582,496.68

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.