Home / 603,943,143.12-905,905,598.64-271,715,544.66

Finding the Fourth Proportional to 603,943,143.12, 905,905,598.64 and 271,715,544.66

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Solution

The fourth proportional to 603,943,143.12, 905,905,598.64 and 271,715,544.66 is: 407,569,215.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    603,943,143.12 : 905,905,598.64 = 271,715,544.66 : x
  2. Step 2: Convert to fraction form
    603,943,143.12/905,905,598.64 = 271,715,544.66/x
  3. Step 3: Cross multiply
    603,943,143.12x = 905,905,598.64 × 271,715,544.66
  4. Step 4: Simplify right side
    603,943,143.12x = 246,148,633,145,010,976
  5. Step 5: Solve for x
    x = 246,148,633,145,010,976/603,943,143.12
  6. Step 6: Final answer
    x = 407,569,215.66

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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.