Home / 407,397,862.11-611,140,524.89-174,252,787.71

Finding the Fourth Proportional to 407,397,862.11, 611,140,524.89 and 174,252,787.71

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Solution

The fourth proportional to 407,397,862.11, 611,140,524.89 and 174,252,787.71 is: 261,397,886.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    407,397,862.11 : 611,140,524.89 = 174,252,787.71 : x
  2. Step 2: Convert to fraction form
    407,397,862.11/611,140,524.89 = 174,252,787.71/x
  3. Step 3: Cross multiply
    407,397,862.11x = 611,140,524.89 × 174,252,787.71
  4. Step 4: Simplify right side
    407,397,862.11x = 106,492,940,143,763,888
  5. Step 5: Solve for x
    x = 106,492,940,143,763,888/407,397,862.11
  6. Step 6: Final answer
    x = 261,397,886.56

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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.