Home / 558,628,080.03-770,930,668.04-311,109,433.47

Finding the Fourth Proportional to 558,628,080.03, 770,930,668.04 and 311,109,433.47

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Solution

The fourth proportional to 558,628,080.03, 770,930,668.04 and 311,109,433.47 is: 429,344,338.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    558,628,080.03 : 770,930,668.04 = 311,109,433.47 : x
  2. Step 2: Convert to fraction form
    558,628,080.03/770,930,668.04 = 311,109,433.47/x
  3. Step 3: Cross multiply
    558,628,080.03x = 770,930,668.04 × 311,109,433.47
  4. Step 4: Simplify right side
    558,628,080.03x = 239,843,803,377,017,504
  5. Step 5: Solve for x
    x = 239,843,803,377,017,504/558,628,080.03
  6. Step 6: Final answer
    x = 429,344,338.30

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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.