Finding the Fourth Proportional to 5,027,666,187.68, 6,939,023,625.98 and 2,914,444,020.32
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Solution
The fourth proportional to 5,027,666,187.68, 6,939,023,625.98 and 2,914,444,020.32 is: 4,022,422,165.40
Step by Step Solution
- Step 1: Write the proportion equation
5,027,666,187.68 : 6,939,023,625.98 = 2,914,444,020.32 : x - Step 2: Convert to fraction form
5,027,666,187.68/6,939,023,625.98 = 2,914,444,020.32/x - Step 3: Cross multiply
5,027,666,187.68x = 6,939,023,625.98 × 2,914,444,020.32 - Step 4: Simplify right side
5,027,666,187.68x = 20,223,395,913,547,350,016 - Step 5: Solve for x
x = 20,223,395,913,547,350,016/5,027,666,187.68 - Step 6: Final answer
x = 4,022,422,165.40
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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.