Home / 1,185,880,287.69-1,635,560,566.46-1,042,519,524.21

Finding the Fourth Proportional to 1,185,880,287.69, 1,635,560,566.46 and 1,042,519,524.21

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Solution

The fourth proportional to 1,185,880,287.69, 1,635,560,566.46 and 1,042,519,524.21 is: 1,437,838,069.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,185,880,287.69 : 1,635,560,566.46 = 1,042,519,524.21 : x
  2. Step 2: Convert to fraction form
    1,185,880,287.69/1,635,560,566.46 = 1,042,519,524.21/x
  3. Step 3: Cross multiply
    1,185,880,287.69x = 1,635,560,566.46 × 1,042,519,524.21
  4. Step 4: Simplify right side
    1,185,880,287.69x = 1,705,103,823,557,304,576
  5. Step 5: Solve for x
    x = 1,705,103,823,557,304,576/1,185,880,287.69
  6. Step 6: Final answer
    x = 1,437,838,069.54

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Double scale
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1.5x scale

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.