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Finding the Fourth Proportional to 1,304,750,559.80, 1,957,125,839.70 and 443,107,551.80

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Solution

The fourth proportional to 1,304,750,559.80, 1,957,125,839.70 and 443,107,551.80 is: 664,661,327.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,304,750,559.80 : 1,957,125,839.70 = 443,107,551.80 : x
  2. Step 2: Convert to fraction form
    1,304,750,559.80/1,957,125,839.70 = 443,107,551.80/x
  3. Step 3: Cross multiply
    1,304,750,559.80x = 1,957,125,839.70 × 443,107,551.80
  4. Step 4: Simplify right side
    1,304,750,559.80x = 867,217,239,393,986,304
  5. Step 5: Solve for x
    x = 867,217,239,393,986,304/1,304,750,559.80
  6. Step 6: Final answer
    x = 664,661,327.70

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.