Home / 2,520,481,638.30-3,780,722,457.45-1,358,220,171.30

Finding the Fourth Proportional to 2,520,481,638.30, 3,780,722,457.45 and 1,358,220,171.30

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Solution

The fourth proportional to 2,520,481,638.30, 3,780,722,457.45 and 1,358,220,171.30 is: 2,037,330,256.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,520,481,638.30 : 3,780,722,457.45 = 1,358,220,171.30 : x
  2. Step 2: Convert to fraction form
    2,520,481,638.30/3,780,722,457.45 = 1,358,220,171.30/x
  3. Step 3: Cross multiply
    2,520,481,638.30x = 3,780,722,457.45 × 1,358,220,171.30
  4. Step 4: Simplify right side
    2,520,481,638.30x = 5,135,053,503,795,495,936
  5. Step 5: Solve for x
    x = 5,135,053,503,795,495,936/2,520,481,638.30
  6. Step 6: Final answer
    x = 2,037,330,256.95

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Double scale
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1.5x scale

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.