Home / 1,067,702,806.10-1,601,554,209.15-838,379,234.90

Finding the Fourth Proportional to 1,067,702,806.10, 1,601,554,209.15 and 838,379,234.90

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Solution

The fourth proportional to 1,067,702,806.10, 1,601,554,209.15 and 838,379,234.90 is: 1,257,568,852.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,067,702,806.10 : 1,601,554,209.15 = 838,379,234.90 : x
  2. Step 2: Convert to fraction form
    1,067,702,806.10/1,601,554,209.15 = 838,379,234.90/x
  3. Step 3: Cross multiply
    1,067,702,806.10x = 1,601,554,209.15 × 838,379,234.90
  4. Step 4: Simplify right side
    1,067,702,806.10x = 1,342,709,792,518,051,584
  5. Step 5: Solve for x
    x = 1,342,709,792,518,051,584/1,067,702,806.10
  6. Step 6: Final answer
    x = 1,257,568,852.35

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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.