Home / 455,919,504.54-629,169,454.34-247,075,647.18

Finding the Fourth Proportional to 455,919,504.54, 629,169,454.34 and 247,075,647.18

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Solution

The fourth proportional to 455,919,504.54, 629,169,454.34 and 247,075,647.18 is: 340,964,684.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    455,919,504.54 : 629,169,454.34 = 247,075,647.18 : x
  2. Step 2: Convert to fraction form
    455,919,504.54/629,169,454.34 = 247,075,647.18/x
  3. Step 3: Cross multiply
    455,919,504.54x = 629,169,454.34 × 247,075,647.18
  4. Step 4: Simplify right side
    455,919,504.54x = 155,452,450,116,942,976
  5. Step 5: Solve for x
    x = 155,452,450,116,942,976/455,919,504.54
  6. Step 6: Final answer
    x = 340,964,684.71

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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.