Finding the Fourth Proportional to 8,338,972,688.16, 12,508,448,466.60 and 2,128,138,118.16
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Solution
The fourth proportional to 8,338,972,688.16, 12,508,448,466.60 and 2,128,138,118.16 is: 3,192,204,480.85
Step by Step Solution
- Step 1: Write the proportion equation
8,338,972,688.16 : 12,508,448,466.60 = 2,128,138,118.16 : x - Step 2: Convert to fraction form
8,338,972,688.16/12,508,448,466.60 = 2,128,138,118.16/x - Step 3: Cross multiply
8,338,972,688.16x = 12,508,448,466.60 × 2,128,138,118.16 - Step 4: Simplify right side
8,338,972,688.16x = 26,619,705,980,811,464,704 - Step 5: Solve for x
x = 26,619,705,980,811,464,704/8,338,972,688.16 - Step 6: Final answer
x = 3,192,204,480.85
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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.