Home / 1,586,304,315.80-2,379,456,473.70-665,874,747.80

Finding the Fourth Proportional to 1,586,304,315.80, 2,379,456,473.70 and 665,874,747.80

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Solution

The fourth proportional to 1,586,304,315.80, 2,379,456,473.70 and 665,874,747.80 is: 998,812,121.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,586,304,315.80 : 2,379,456,473.70 = 665,874,747.80 : x
  2. Step 2: Convert to fraction form
    1,586,304,315.80/2,379,456,473.70 = 665,874,747.80/x
  3. Step 3: Cross multiply
    1,586,304,315.80x = 2,379,456,473.70 × 665,874,747.80
  4. Step 4: Simplify right side
    1,586,304,315.80x = 1,584,419,979,326,064,640
  5. Step 5: Solve for x
    x = 1,584,419,979,326,064,640/1,586,304,315.80
  6. Step 6: Final answer
    x = 998,812,121.70

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Double scale
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Similar ratio
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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.