Finding the Fourth Proportional to 7,994,416,820.37, 11,995,054,913.12 and 3,090,534,364.05
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Solution
The fourth proportional to 7,994,416,820.37, 11,995,054,913.12 and 3,090,534,364.05 is: 4,637,127,415.37
Step by Step Solution
- Step 1: Write the proportion equation
7,994,416,820.37 : 11,995,054,913.12 = 3,090,534,364.05 : x - Step 2: Convert to fraction form
7,994,416,820.37/11,995,054,913.12 = 3,090,534,364.05/x - Step 3: Cross multiply
7,994,416,820.37x = 11,995,054,913.12 × 3,090,534,364.05 - Step 4: Simplify right side
7,994,416,820.37x = 37,071,129,407,648,694,272 - Step 5: Solve for x
x = 37,071,129,407,648,694,272/7,994,416,820.37 - Step 6: Final answer
x = 4,637,127,415.37
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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.