Home / 521,926,997.14-783,195,779.04-194,628,625.30

Finding the Fourth Proportional to 521,926,997.14, 783,195,779.04 and 194,628,625.30

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Solution

The fourth proportional to 521,926,997.14, 783,195,779.04 and 194,628,625.30 is: 292,056,779.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    521,926,997.14 : 783,195,779.04 = 194,628,625.30 : x
  2. Step 2: Convert to fraction form
    521,926,997.14/783,195,779.04 = 194,628,625.30/x
  3. Step 3: Cross multiply
    521,926,997.14x = 783,195,779.04 × 194,628,625.30
  4. Step 4: Simplify right side
    521,926,997.14x = 152,432,317,815,317,760
  5. Step 5: Solve for x
    x = 152,432,317,815,317,760/521,926,997.14
  6. Step 6: Final answer
    x = 292,056,779.30

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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.