Home / 419,904,554.40-629,856,831.60-404,599,053.60

Finding the Fourth Proportional to 419,904,554.40, 629,856,831.60 and 404,599,053.60

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Solution

The fourth proportional to 419,904,554.40, 629,856,831.60 and 404,599,053.60 is: 606,898,580.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    419,904,554.40 : 629,856,831.60 = 404,599,053.60 : x
  2. Step 2: Convert to fraction form
    419,904,554.40/629,856,831.60 = 404,599,053.60/x
  3. Step 3: Cross multiply
    419,904,554.40x = 629,856,831.60 × 404,599,053.60
  4. Step 4: Simplify right side
    419,904,554.40x = 254,839,477,968,854,592
  5. Step 5: Solve for x
    x = 254,839,477,968,854,592/419,904,554.40
  6. Step 6: Final answer
    x = 606,898,580.40

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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.