Home / 788,928,120.42-1,183,553,581.23-271,291,334.82

Finding the Fourth Proportional to 788,928,120.42, 1,183,553,581.23 and 271,291,334.82

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Solution

The fourth proportional to 788,928,120.42, 1,183,553,581.23 and 271,291,334.82 is: 406,992,503.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    788,928,120.42 : 1,183,553,581.23 = 271,291,334.82 : x
  2. Step 2: Convert to fraction form
    788,928,120.42/1,183,553,581.23 = 271,291,334.82/x
  3. Step 3: Cross multiply
    788,928,120.42x = 1,183,553,581.23 × 271,291,334.82
  4. Step 4: Simplify right side
    788,928,120.42x = 321,087,830,882,878,016
  5. Step 5: Solve for x
    x = 321,087,830,882,878,016/788,928,120.42
  6. Step 6: Final answer
    x = 406,992,503.59

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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.