Home / 279,936,404.35-419,904,606.53-260,804,528.35

Finding the Fourth Proportional to 279,936,404.35, 419,904,606.53 and 260,804,528.35

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Solution

The fourth proportional to 279,936,404.35, 419,904,606.53 and 260,804,528.35 is: 391,206,792.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    279,936,404.35 : 419,904,606.53 = 260,804,528.35 : x
  2. Step 2: Convert to fraction form
    279,936,404.35/419,904,606.53 = 260,804,528.35/x
  3. Step 3: Cross multiply
    279,936,404.35x = 419,904,606.53 × 260,804,528.35
  4. Step 4: Simplify right side
    279,936,404.35x = 109,513,022,856,744,944
  5. Step 5: Solve for x
    x = 109,513,022,856,744,944/279,936,404.35
  6. Step 6: Final answer
    x = 391,206,792.53

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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.