Home / 2,768,349,712.74-3,820,346,423.90-1,578,978,900.60

Finding the Fourth Proportional to 2,768,349,712.74, 3,820,346,423.90 and 1,578,978,900.60

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Solution

The fourth proportional to 2,768,349,712.74, 3,820,346,423.90 and 1,578,978,900.60 is: 2,179,004,469.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,768,349,712.74 : 3,820,346,423.90 = 1,578,978,900.60 : x
  2. Step 2: Convert to fraction form
    2,768,349,712.74/3,820,346,423.90 = 1,578,978,900.60/x
  3. Step 3: Cross multiply
    2,768,349,712.74x = 3,820,346,423.90 × 1,578,978,900.60
  4. Step 4: Simplify right side
    2,768,349,712.74x = 6,032,246,396,320,762,880
  5. Step 5: Solve for x
    x = 6,032,246,396,320,762,880/2,768,349,712.74
  6. Step 6: Final answer
    x = 2,179,004,469.18

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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.