Finding the Fourth Proportional to 5,382,403,306.31, 7,427,690,665.13 and 2,971,064,706.09
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Solution
The fourth proportional to 5,382,403,306.31, 7,427,690,665.13 and 2,971,064,706.09 is: 4,100,054,999.06
Step by Step Solution
- Step 1: Write the proportion equation
5,382,403,306.31 : 7,427,690,665.13 = 2,971,064,706.09 : x - Step 2: Convert to fraction form
5,382,403,306.31/7,427,690,665.13 = 2,971,064,706.09/x - Step 3: Cross multiply
5,382,403,306.31x = 7,427,690,665.13 × 2,971,064,706.09 - Step 4: Simplify right side
5,382,403,306.31x = 22,068,149,582,961,262,592 - Step 5: Solve for x
x = 22,068,149,582,961,262,592/5,382,403,306.31 - Step 6: Final answer
x = 4,100,054,999.06
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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.