Finding the Fourth Proportional to 18,864,579,471.80, 28,296,869,207.70 and 14,511,014,799.80
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Solution
The fourth proportional to 18,864,579,471.80, 28,296,869,207.70 and 14,511,014,799.80 is: 21,766,522,199.70
Step by Step Solution
- Step 1: Write the proportion equation
18,864,579,471.80 : 28,296,869,207.70 = 14,511,014,799.80 : x - Step 2: Convert to fraction form
18,864,579,471.80/28,296,869,207.70 = 14,511,014,799.80/x - Step 3: Cross multiply
18,864,579,471.80x = 28,296,869,207.70 × 14,511,014,799.80 - Step 4: Simplify right side
18,864,579,471.80x = 410,616,287,860,939,620,352 - Step 5: Solve for x
x = 410,616,287,860,939,620,352/18,864,579,471.80 - Step 6: Final answer
x = 21,766,522,199.70
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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.