Finding the Fourth Proportional to 1,232,940,922.21, 1,849,411,347.58 and 568,758,431.63
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Solution
The fourth proportional to 1,232,940,922.21, 1,849,411,347.58 and 568,758,431.63 is: 853,137,630.95
Step by Step Solution
- Step 1: Write the proportion equation
1,232,940,922.21 : 1,849,411,347.58 = 568,758,431.63 : x - Step 2: Convert to fraction form
1,232,940,922.21/1,849,411,347.58 = 568,758,431.63/x - Step 3: Cross multiply
1,232,940,922.21x = 1,849,411,347.58 × 568,758,431.63 - Step 4: Simplify right side
1,232,940,922.21x = 1,051,868,297,479,897,216 - Step 5: Solve for x
x = 1,051,868,297,479,897,216/1,232,940,922.21 - Step 6: Final answer
x = 853,137,630.95
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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.