Home / 1,010,647,450.80-1,515,971,176.20-617,806,263.60

Finding the Fourth Proportional to 1,010,647,450.80, 1,515,971,176.20 and 617,806,263.60

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Solution

The fourth proportional to 1,010,647,450.80, 1,515,971,176.20 and 617,806,263.60 is: 926,709,395.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,010,647,450.80 : 1,515,971,176.20 = 617,806,263.60 : x
  2. Step 2: Convert to fraction form
    1,010,647,450.80/1,515,971,176.20 = 617,806,263.60/x
  3. Step 3: Cross multiply
    1,010,647,450.80x = 1,515,971,176.20 × 617,806,263.60
  4. Step 4: Simplify right side
    1,010,647,450.80x = 936,576,488,093,419,264
  5. Step 5: Solve for x
    x = 936,576,488,093,419,264/1,010,647,450.80
  6. Step 6: Final answer
    x = 926,709,395.40

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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.