Finding the Fourth Proportional to 3,759,219,641.64, 5,187,419,445.06 and 2,173,413,813.96
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Solution
The fourth proportional to 3,759,219,641.64, 5,187,419,445.06 and 2,173,413,813.96 is: 2,999,135,500.31
Step by Step Solution
- Step 1: Write the proportion equation
3,759,219,641.64 : 5,187,419,445.06 = 2,173,413,813.96 : x - Step 2: Convert to fraction form
3,759,219,641.64/5,187,419,445.06 = 2,173,413,813.96/x - Step 3: Cross multiply
3,759,219,641.64x = 5,187,419,445.06 × 2,173,413,813.96 - Step 4: Simplify right side
3,759,219,641.64x = 11,274,409,080,698,122,240 - Step 5: Solve for x
x = 11,274,409,080,698,122,240/3,759,219,641.64 - Step 6: Final answer
x = 2,999,135,500.31
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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.