Finding the Fourth Proportional to 6,961,173,321.63, 9,606,420,220.19 and 3,789,381,316.98
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Solution
The fourth proportional to 6,961,173,321.63, 9,606,420,220.19 and 3,789,381,316.98 is: 5,229,346,781.57
Step by Step Solution
- Step 1: Write the proportion equation
6,961,173,321.63 : 9,606,420,220.19 = 3,789,381,316.98 : x - Step 2: Convert to fraction form
6,961,173,321.63/9,606,420,220.19 = 3,789,381,316.98/x - Step 3: Cross multiply
6,961,173,321.63x = 9,606,420,220.19 × 3,789,381,316.98 - Step 4: Simplify right side
6,961,173,321.63x = 36,402,389,305,427,935,232 - Step 5: Solve for x
x = 36,402,389,305,427,935,232/6,961,173,321.63 - Step 6: Final answer
x = 5,229,346,781.57
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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.