Home / 2,898,741,118.38-4,000,315,633.30-1,611,373,872.78

Finding the Fourth Proportional to 2,898,741,118.38, 4,000,315,633.30 and 1,611,373,872.78

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Solution

The fourth proportional to 2,898,741,118.38, 4,000,315,633.30 and 1,611,373,872.78 is: 2,223,725,345.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,898,741,118.38 : 4,000,315,633.30 = 1,611,373,872.78 : x
  2. Step 2: Convert to fraction form
    2,898,741,118.38/4,000,315,633.30 = 1,611,373,872.78/x
  3. Step 3: Cross multiply
    2,898,741,118.38x = 4,000,315,633.30 × 1,611,373,872.78
  4. Step 4: Simplify right side
    2,898,741,118.38x = 6,446,004,094,372,999,168
  5. Step 5: Solve for x
    x = 6,446,004,094,372,999,168/2,898,741,118.38
  6. Step 6: Final answer
    x = 2,223,725,345.29

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1.5x scale

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.