Finding the Fourth Proportional to 1,820,993,722.74, 2,731,589,920.35 and 577,334,242.62
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Solution
The fourth proportional to 1,820,993,722.74, 2,731,589,920.35 and 577,334,242.62 is: 866,032,857.84
Step by Step Solution
- Step 1: Write the proportion equation
1,820,993,722.74 : 2,731,589,920.35 = 577,334,242.62 : x - Step 2: Convert to fraction form
1,820,993,722.74/2,731,589,920.35 = 577,334,242.62/x - Step 3: Cross multiply
1,820,993,722.74x = 2,731,589,920.35 × 577,334,242.62 - Step 4: Simplify right side
1,820,993,722.74x = 1,577,040,397,813,693,440 - Step 5: Solve for x
x = 1,577,040,397,813,693,440/1,820,993,722.74 - Step 6: Final answer
x = 866,032,857.84
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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.