Home / 1,245,300,236-1,718,534,753.64-743,552,860.36

Finding the Fourth Proportional to 1,245,300,236, 1,718,534,753.64 and 743,552,860.36

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Solution

The fourth proportional to 1,245,300,236, 1,718,534,753.64 and 743,552,860.36 is: 1,026,115,144.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,245,300,236 : 1,718,534,753.64 = 743,552,860.36 : x
  2. Step 2: Convert to fraction form
    1,245,300,236/1,718,534,753.64 = 743,552,860.36/x
  3. Step 3: Cross multiply
    1,245,300,236x = 1,718,534,753.64 × 743,552,860.36
  4. Step 4: Simplify right side
    1,245,300,236x = 1,277,821,431,697,090,048
  5. Step 5: Solve for x
    x = 1,277,821,431,697,090,048/1,245,300,236
  6. Step 6: Final answer
    x = 1,026,115,144.57

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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.