Home / 2,018,367,007.15-3,027,550,510.73-638,604,453.55

Finding the Fourth Proportional to 2,018,367,007.15, 3,027,550,510.73 and 638,604,453.55

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Solution

The fourth proportional to 2,018,367,007.15, 3,027,550,510.73 and 638,604,453.55 is: 957,906,680.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,018,367,007.15 : 3,027,550,510.73 = 638,604,453.55 : x
  2. Step 2: Convert to fraction form
    2,018,367,007.15/3,027,550,510.73 = 638,604,453.55/x
  3. Step 3: Cross multiply
    2,018,367,007.15x = 3,027,550,510.73 × 638,604,453.55
  4. Step 4: Simplify right side
    2,018,367,007.15x = 1,933,407,239,499,755,008
  5. Step 5: Solve for x
    x = 1,933,407,239,499,755,008/2,018,367,007.15
  6. Step 6: Final answer
    x = 957,906,680.33

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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.