Home / 647,881,941.90-972,049,661.01-187,847,716.62

Finding the Fourth Proportional to 647,881,941.90, 972,049,661.01 and 187,847,716.62

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Solution

The fourth proportional to 647,881,941.90, 972,049,661.01 and 187,847,716.62 is: 281,837,318.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    647,881,941.90 : 972,049,661.01 = 187,847,716.62 : x
  2. Step 2: Convert to fraction form
    647,881,941.90/972,049,661.01 = 187,847,716.62/x
  3. Step 3: Cross multiply
    647,881,941.90x = 972,049,661.01 × 187,847,716.62
  4. Step 4: Simplify right side
    647,881,941.90x = 182,597,309,261,973,536
  5. Step 5: Solve for x
    x = 182,597,309,261,973,536/647,881,941.90
  6. Step 6: Final answer
    x = 281,837,318.58

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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.