Home / 1,441,618,200,896.80-1,989,435,087,307.90-782,424,287,393.80

Finding the Fourth Proportional to 1,441,618,200,896.80, 1,989,435,087,307.90 and 782,424,287,393.80

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Solution

The fourth proportional to 1,441,618,200,896.80, 1,989,435,087,307.90 and 782,424,287,393.80 is: 1,079,746,585,839.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,441,618,200,896.80 : 1,989,435,087,307.90 = 782,424,287,393.80 : x
  2. Step 2: Convert to fraction form
    1,441,618,200,896.80/1,989,435,087,307.90 = 782,424,287,393.80/x
  3. Step 3: Cross multiply
    1,441,618,200,896.80x = 1,989,435,087,307.90 × 782,424,287,393.80
  4. Step 4: Simplify right side
    1,441,618,200,896.80x = 1,556,582,330,503,105,863,483,392
  5. Step 5: Solve for x
    x = 1,556,582,330,503,105,863,483,392/1,441,618,200,896.80
  6. Step 6: Final answer
    x = 1,079,746,585,839.99

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Double scale
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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.