Finding the Fourth Proportional to 1,940,410,863.26, 2,910,615,962.51 and 613,370,466.74
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Solution
The fourth proportional to 1,940,410,863.26, 2,910,615,962.51 and 613,370,466.74 is: 920,055,595.05
Step by Step Solution
- Step 1: Write the proportion equation
1,940,410,863.26 : 2,910,615,962.51 = 613,370,466.74 : x - Step 2: Convert to fraction form
1,940,410,863.26/2,910,615,962.51 = 613,370,466.74/x - Step 3: Cross multiply
1,940,410,863.26x = 2,910,615,962.51 × 613,370,466.74 - Step 4: Simplify right side
1,940,410,863.26x = 1,785,285,871,434,462,720 - Step 5: Solve for x
x = 1,785,285,871,434,462,720/1,940,410,863.26 - Step 6: Final answer
x = 920,055,595.05
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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.