Finding the Fourth Proportional to 7,766,042,893.80, 11,649,064,340.70 and 2,862,236,020.20
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Solution
The fourth proportional to 7,766,042,893.80, 11,649,064,340.70 and 2,862,236,020.20 is: 4,293,354,030.30
Step by Step Solution
- Step 1: Write the proportion equation
7,766,042,893.80 : 11,649,064,340.70 = 2,862,236,020.20 : x - Step 2: Convert to fraction form
7,766,042,893.80/11,649,064,340.70 = 2,862,236,020.20/x - Step 3: Cross multiply
7,766,042,893.80x = 11,649,064,340.70 × 2,862,236,020.20 - Step 4: Simplify right side
7,766,042,893.80x = 33,342,371,557,578,903,552 - Step 5: Solve for x
x = 33,342,371,557,578,903,552/7,766,042,893.80 - Step 6: Final answer
x = 4,293,354,030.30
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Double scale
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Similar ratio
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.