Finding the Fourth Proportional to 4,088,676,781.93, 5,647,028,226.83 and 2,748,239,699.77
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Solution
The fourth proportional to 4,088,676,781.93, 5,647,028,226.83 and 2,748,239,699.77 is: 3,795,699,192.28
Step by Step Solution
- Step 1: Write the proportion equation
4,088,676,781.93 : 5,647,028,226.83 = 2,748,239,699.77 : x - Step 2: Convert to fraction form
4,088,676,781.93/5,647,028,226.83 = 2,748,239,699.77/x - Step 3: Cross multiply
4,088,676,781.93x = 5,647,028,226.83 × 2,748,239,699.77 - Step 4: Simplify right side
4,088,676,781.93x = 15,519,387,158,682,253,312 - Step 5: Solve for x
x = 15,519,387,158,682,253,312/4,088,676,781.93 - Step 6: Final answer
x = 3,795,699,192.28
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.