Home / 3,638,202,221.80-5,457,303,332.70-2,005,615,469.80

Finding the Fourth Proportional to 3,638,202,221.80, 5,457,303,332.70 and 2,005,615,469.80

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Solution

The fourth proportional to 3,638,202,221.80, 5,457,303,332.70 and 2,005,615,469.80 is: 3,008,423,204.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,638,202,221.80 : 5,457,303,332.70 = 2,005,615,469.80 : x
  2. Step 2: Convert to fraction form
    3,638,202,221.80/5,457,303,332.70 = 2,005,615,469.80/x
  3. Step 3: Cross multiply
    3,638,202,221.80x = 5,457,303,332.70 × 2,005,615,469.80
  4. Step 4: Simplify right side
    3,638,202,221.80x = 10,945,251,987,454,216,192
  5. Step 5: Solve for x
    x = 10,945,251,987,454,216,192/3,638,202,221.80
  6. Step 6: Final answer
    x = 3,008,423,204.70

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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.