Finding the Fourth Proportional to 3,642,205,825.24, 5,454,702,690.55 and 1,778,128,097.56
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Solution
The fourth proportional to 3,642,205,825.24, 5,454,702,690.55 and 1,778,128,097.56 is: 2,662,990,666.45
Step by Step Solution
- Step 1: Write the proportion equation
3,642,205,825.24 : 5,454,702,690.55 = 1,778,128,097.56 : x - Step 2: Convert to fraction form
3,642,205,825.24/5,454,702,690.55 = 1,778,128,097.56/x - Step 3: Cross multiply
3,642,205,825.24x = 5,454,702,690.55 × 1,778,128,097.56 - Step 4: Simplify right side
3,642,205,825.24x = 9,699,160,117,885,001,728 - Step 5: Solve for x
x = 9,699,160,117,885,001,728/3,642,205,825.24 - Step 6: Final answer
x = 2,662,990,666.45
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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.