Home / 556,675,940.66-768,167,060.94-305,767,365.62

Finding the Fourth Proportional to 556,675,940.66, 768,167,060.94 and 305,767,365.62

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Solution

The fourth proportional to 556,675,940.66, 768,167,060.94 and 305,767,365.62 is: 421,933,842.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    556,675,940.66 : 768,167,060.94 = 305,767,365.62 : x
  2. Step 2: Convert to fraction form
    556,675,940.66/768,167,060.94 = 305,767,365.62/x
  3. Step 3: Cross multiply
    556,675,940.66x = 768,167,060.94 × 305,767,365.62
  4. Step 4: Simplify right side
    556,675,940.66x = 234,880,418,575,840,992
  5. Step 5: Solve for x
    x = 234,880,418,575,840,992/556,675,940.66
  6. Step 6: Final answer
    x = 421,933,842.33

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