Finding the Fourth Proportional to 6,774,444,938.18, 9,348,185,921.99 and 3,916,770,498.09
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Solution
The fourth proportional to 6,774,444,938.18, 9,348,185,921.99 and 3,916,770,498.09 is: 5,404,826,397.45
Step by Step Solution
- Step 1: Write the proportion equation
6,774,444,938.18 : 9,348,185,921.99 = 3,916,770,498.09 : x - Step 2: Convert to fraction form
6,774,444,938.18/9,348,185,921.99 = 3,916,770,498.09/x - Step 3: Cross multiply
6,774,444,938.18x = 9,348,185,921.99 × 3,916,770,498.09 - Step 4: Simplify right side
6,774,444,938.18x = 36,614,698,829,891,117,056 - Step 5: Solve for x
x = 36,614,698,829,891,117,056/6,774,444,938.18 - Step 6: Final answer
x = 5,404,826,397.45
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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.