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Finding the Fourth Proportional to 1,210,867,286.10, 1,696,362,113.10 and 1,210,867,286.10

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Solution

The fourth proportional to 1,210,867,286.10, 1,696,362,113.10 and 1,210,867,286.10 is: 1,696,362,113.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,210,867,286.10 : 1,696,362,113.10 = 1,210,867,286.10 : x
  2. Step 2: Convert to fraction form
    1,210,867,286.10/1,696,362,113.10 = 1,210,867,286.10/x
  3. Step 3: Cross multiply
    1,210,867,286.10x = 1,696,362,113.10 × 1,210,867,286.10
  4. Step 4: Simplify right side
    1,210,867,286.10x = 2,054,069,388,132,258,048
  5. Step 5: Solve for x
    x = 2,054,069,388,132,258,048/1,210,867,286.10
  6. Step 6: Final answer
    x = 1,696,362,113.10

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Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.