Home / 1,271,743,579.62-1,754,748,857.88-743,005,449.18

Finding the Fourth Proportional to 1,271,743,579.62, 1,754,748,857.88 and 743,005,449.18

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Solution

The fourth proportional to 1,271,743,579.62, 1,754,748,857.88 and 743,005,449.18 is: 1,025,197,205.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,271,743,579.62 : 1,754,748,857.88 = 743,005,449.18 : x
  2. Step 2: Convert to fraction form
    1,271,743,579.62/1,754,748,857.88 = 743,005,449.18/x
  3. Step 3: Cross multiply
    1,271,743,579.62x = 1,754,748,857.88 × 743,005,449.18
  4. Step 4: Simplify right side
    1,271,743,579.62x = 1,303,787,963,347,221,248
  5. Step 5: Solve for x
    x = 1,303,787,963,347,221,248/1,271,743,579.62
  6. Step 6: Final answer
    x = 1,025,197,205.03

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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.