Finding the Fourth Proportional to 1,515,318,880.18, 2,075,952,186.99 and 1,458,664,425.52
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Solution
The fourth proportional to 1,515,318,880.18, 2,075,952,186.99 and 1,458,664,425.52 is: 1,998,336,880.67
Step by Step Solution
- Step 1: Write the proportion equation
1,515,318,880.18 : 2,075,952,186.99 = 1,458,664,425.52 : x - Step 2: Convert to fraction form
1,515,318,880.18/2,075,952,186.99 = 1,458,664,425.52/x - Step 3: Cross multiply
1,515,318,880.18x = 2,075,952,186.99 × 1,458,664,425.52 - Step 4: Simplify right side
1,515,318,880.18x = 3,028,117,604,237,565,952 - Step 5: Solve for x
x = 3,028,117,604,237,565,952/1,515,318,880.18 - Step 6: Final answer
x = 1,998,336,880.67
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Why These Related Problems?
These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.