Home / 2,018,366,999.40-3,027,550,499.10-638,604,445.80

Finding the Fourth Proportional to 2,018,366,999.40, 3,027,550,499.10 and 638,604,445.80

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Solution

The fourth proportional to 2,018,366,999.40, 3,027,550,499.10 and 638,604,445.80 is: 957,906,668.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,018,366,999.40 : 3,027,550,499.10 = 638,604,445.80 : x
  2. Step 2: Convert to fraction form
    2,018,366,999.40/3,027,550,499.10 = 638,604,445.80/x
  3. Step 3: Cross multiply
    2,018,366,999.40x = 3,027,550,499.10 × 638,604,445.80
  4. Step 4: Simplify right side
    2,018,366,999.40x = 1,933,407,208,609,268,736
  5. Step 5: Solve for x
    x = 1,933,407,208,609,268,736/2,018,366,999.40
  6. Step 6: Final answer
    x = 957,906,668.70

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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.