Home / 419,904,893.60-629,857,340.40-247,292,856.80

Finding the Fourth Proportional to 419,904,893.60, 629,857,340.40 and 247,292,856.80

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Solution

The fourth proportional to 419,904,893.60, 629,857,340.40 and 247,292,856.80 is: 370,939,285.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    419,904,893.60 : 629,857,340.40 = 247,292,856.80 : x
  2. Step 2: Convert to fraction form
    419,904,893.60/629,857,340.40 = 247,292,856.80/x
  3. Step 3: Cross multiply
    419,904,893.60x = 629,857,340.40 × 247,292,856.80
  4. Step 4: Simplify right side
    419,904,893.60x = 155,759,221,083,966,048
  5. Step 5: Solve for x
    x = 155,759,221,083,966,048/419,904,893.60
  6. Step 6: Final answer
    x = 370,939,285.20

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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.