Home / 556,350,175.82-767,764,753.43-305,470,817.42

Finding the Fourth Proportional to 556,350,175.82, 767,764,753.43 and 305,470,817.42

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Solution

The fourth proportional to 556,350,175.82, 767,764,753.43 and 305,470,817.42 is: 421,550,557.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    556,350,175.82 : 767,764,753.43 = 305,470,817.42 : x
  2. Step 2: Convert to fraction form
    556,350,175.82/767,764,753.43 = 305,470,817.42/x
  3. Step 3: Cross multiply
    556,350,175.82x = 767,764,753.43 × 305,470,817.42
  4. Step 4: Simplify right side
    556,350,175.82x = 234,529,726,811,160,672
  5. Step 5: Solve for x
    x = 234,529,726,811,160,672/556,350,175.82
  6. Step 6: Final answer
    x = 421,550,557.56

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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.