Home / 1,245,295,816.77-1,718,528,644.01-743,548,446.02

Finding the Fourth Proportional to 1,245,295,816.77, 1,718,528,644.01 and 743,548,446.02

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Solution

The fourth proportional to 1,245,295,816.77, 1,718,528,644.01 and 743,548,446.02 is: 1,026,109,046.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,245,295,816.77 : 1,718,528,644.01 = 743,548,446.02 : x
  2. Step 2: Convert to fraction form
    1,245,295,816.77/1,718,528,644.01 = 743,548,446.02/x
  3. Step 3: Cross multiply
    1,245,295,816.77x = 1,718,528,644.01 × 743,548,446.02
  4. Step 4: Simplify right side
    1,245,295,816.77x = 1,277,809,302,694,493,184
  5. Step 5: Solve for x
    x = 1,277,809,302,694,493,184/1,245,295,816.77
  6. Step 6: Final answer
    x = 1,026,109,046.13

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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.