Home / 419,643,970,270.90-579,108,674,489.85-226,956,143,196.28

Finding the Fourth Proportional to 419,643,970,270.90, 579,108,674,489.85 and 226,956,143,196.28

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Solution

The fourth proportional to 419,643,970,270.90, 579,108,674,489.85 and 226,956,143,196.28 is: 313,199,475,185.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    419,643,970,270.90 : 579,108,674,489.85 = 226,956,143,196.28 : x
  2. Step 2: Convert to fraction form
    419,643,970,270.90/579,108,674,489.85 = 226,956,143,196.28/x
  3. Step 3: Cross multiply
    419,643,970,270.90x = 579,108,674,489.85 × 226,956,143,196.28
  4. Step 4: Simplify right side
    419,643,970,270.90x = 131,432,271,253,726,287,626,240
  5. Step 5: Solve for x
    x = 131,432,271,253,726,287,626,240/419,643,970,270.90
  6. Step 6: Final answer
    x = 313,199,475,185.79

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Why These Related Problems?

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