Home / 419,616,002.40-629,424,003.60-416,928,616.80

Finding the Fourth Proportional to 419,616,002.40, 629,424,003.60 and 416,928,616.80

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Solution

The fourth proportional to 419,616,002.40, 629,424,003.60 and 416,928,616.80 is: 625,392,925.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    419,616,002.40 : 629,424,003.60 = 416,928,616.80 : x
  2. Step 2: Convert to fraction form
    419,616,002.40/629,424,003.60 = 416,928,616.80/x
  3. Step 3: Cross multiply
    419,616,002.40x = 629,424,003.60 × 416,928,616.80
  4. Step 4: Simplify right side
    419,616,002.40x = 262,424,879,201,666,240
  5. Step 5: Solve for x
    x = 262,424,879,201,666,240/419,616,002.40
  6. Step 6: Final answer
    x = 625,392,925.20

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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.