Home / 5,214,465,037.20-7,821,697,555.80-2,459,474,893.20

Finding the Fourth Proportional to 5,214,465,037.20, 7,821,697,555.80 and 2,459,474,893.20

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Solution

The fourth proportional to 5,214,465,037.20, 7,821,697,555.80 and 2,459,474,893.20 is: 3,689,212,339.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,214,465,037.20 : 7,821,697,555.80 = 2,459,474,893.20 : x
  2. Step 2: Convert to fraction form
    5,214,465,037.20/7,821,697,555.80 = 2,459,474,893.20/x
  3. Step 3: Cross multiply
    5,214,465,037.20x = 7,821,697,555.80 × 2,459,474,893.20
  4. Step 4: Simplify right side
    5,214,465,037.20x = 19,237,268,760,693,903,360
  5. Step 5: Solve for x
    x = 19,237,268,760,693,903,360/5,214,465,037.20
  6. Step 6: Final answer
    x = 3,689,212,339.80

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Double scale
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Similar ratio
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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.