Home / 348,658,900.80-481,183,268.75-260,399,670.65

Finding the Fourth Proportional to 348,658,900.80, 481,183,268.75 and 260,399,670.65

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Solution

The fourth proportional to 348,658,900.80, 481,183,268.75 and 260,399,670.65 is: 359,376,928.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    348,658,900.80 : 481,183,268.75 = 260,399,670.65 : x
  2. Step 2: Convert to fraction form
    348,658,900.80/481,183,268.75 = 260,399,670.65/x
  3. Step 3: Cross multiply
    348,658,900.80x = 481,183,268.75 × 260,399,670.65
  4. Step 4: Simplify right side
    348,658,900.80x = 125,299,964,704,790,448
  5. Step 5: Solve for x
    x = 125,299,964,704,790,448/348,658,900.80
  6. Step 6: Final answer
    x = 359,376,928.04

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Why These Related Problems?

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