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Finding the Fourth Proportional to 1,609,637,319.40, 2,414,455,979.10 and 1,609,637,319.40

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Solution

The fourth proportional to 1,609,637,319.40, 2,414,455,979.10 and 1,609,637,319.40 is: 2,414,455,979.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,609,637,319.40 : 2,414,455,979.10 = 1,609,637,319.40 : x
  2. Step 2: Convert to fraction form
    1,609,637,319.40/2,414,455,979.10 = 1,609,637,319.40/x
  3. Step 3: Cross multiply
    1,609,637,319.40x = 2,414,455,979.10 × 1,609,637,319.40
  4. Step 4: Simplify right side
    1,609,637,319.40x = 3,886,398,450,007,826,432
  5. Step 5: Solve for x
    x = 3,886,398,450,007,826,432/1,609,637,319.40
  6. Step 6: Final answer
    x = 2,414,455,979.10

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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.