Finding the Fourth Proportional to 1,561,625,844.87, 2,342,356,268.00 and 512,225,817.98
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Solution
The fourth proportional to 1,561,625,844.87, 2,342,356,268.00 and 512,225,817.98 is: 768,311,666.53
Step by Step Solution
- Step 1: Write the proportion equation
1,561,625,844.87 : 2,342,356,268.00 = 512,225,817.98 : x - Step 2: Convert to fraction form
1,561,625,844.87/2,342,356,268.00 = 512,225,817.98/x - Step 3: Cross multiply
1,561,625,844.87x = 2,342,356,268.00 × 512,225,817.98 - Step 4: Simplify right side
1,561,625,844.87x = 1,199,815,355,362,607,104 - Step 5: Solve for x
x = 1,199,815,355,362,607,104/1,561,625,844.87 - Step 6: Final answer
x = 768,311,666.53
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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.