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Finding the Fourth Proportional to 1,868,914,537.65, 2,803,371,806.49 and 1,868,914,537.65

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Solution

The fourth proportional to 1,868,914,537.65, 2,803,371,806.49 and 1,868,914,537.65 is: 2,803,371,806.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,868,914,537.65 : 2,803,371,806.49 = 1,868,914,537.65 : x
  2. Step 2: Convert to fraction form
    1,868,914,537.65/2,803,371,806.49 = 1,868,914,537.65/x
  3. Step 3: Cross multiply
    1,868,914,537.65x = 2,803,371,806.49 × 1,868,914,537.65
  4. Step 4: Simplify right side
    1,868,914,537.65x = 5,239,262,323,587,303,424
  5. Step 5: Solve for x
    x = 5,239,262,323,587,303,424/1,868,914,537.65
  6. Step 6: Final answer
    x = 2,803,371,806.49

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Double scale
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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.