Finding the Fourth Proportional to 1,843,693,142.21, 2,766,447,674.61 and 860,976,857.85
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Solution
The fourth proportional to 1,843,693,142.21, 2,766,447,674.61 and 860,976,857.85 is: 1,291,889,290.99
Step by Step Solution
- Step 1: Write the proportion equation
1,843,693,142.21 : 2,766,447,674.61 = 860,976,857.85 : x - Step 2: Convert to fraction form
1,843,693,142.21/2,766,447,674.61 = 860,976,857.85/x - Step 3: Cross multiply
1,843,693,142.21x = 2,766,447,674.61 × 860,976,857.85 - Step 4: Simplify right side
1,843,693,142.21x = 2,381,847,426,292,157,440 - Step 5: Solve for x
x = 2,381,847,426,292,157,440/1,843,693,142.21 - Step 6: Final answer
x = 1,291,889,290.99
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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.