Home / 2,175,886,758.20-3,002,705,676.09-1,223,271,742.21

Finding the Fourth Proportional to 2,175,886,758.20, 3,002,705,676.09 and 1,223,271,742.21

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Solution

The fourth proportional to 2,175,886,758.20, 3,002,705,676.09 and 1,223,271,742.21 is: 1,688,104,856.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,175,886,758.20 : 3,002,705,676.09 = 1,223,271,742.21 : x
  2. Step 2: Convert to fraction form
    2,175,886,758.20/3,002,705,676.09 = 1,223,271,742.21/x
  3. Step 3: Cross multiply
    2,175,886,758.20x = 3,002,705,676.09 × 1,223,271,742.21
  4. Step 4: Simplify right side
    2,175,886,758.20x = 3,673,125,003,737,316,864
  5. Step 5: Solve for x
    x = 3,673,125,003,737,316,864/2,175,886,758.20
  6. Step 6: Final answer
    x = 1,688,104,856.51

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.