Home / 676,987,635.58-1,015,489,271.69-204,290,774.36

Finding the Fourth Proportional to 676,987,635.58, 1,015,489,271.69 and 204,290,774.36

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Solution

The fourth proportional to 676,987,635.58, 1,015,489,271.69 and 204,290,774.36 is: 306,438,520.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    676,987,635.58 : 1,015,489,271.69 = 204,290,774.36 : x
  2. Step 2: Convert to fraction form
    676,987,635.58/1,015,489,271.69 = 204,290,774.36/x
  3. Step 3: Cross multiply
    676,987,635.58x = 1,015,489,271.69 × 204,290,774.36
  4. Step 4: Simplify right side
    676,987,635.58x = 207,455,089,666,308,000
  5. Step 5: Solve for x
    x = 207,455,089,666,308,000/676,987,635.58
  6. Step 6: Final answer
    x = 306,438,520.83

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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.