Finding the Fourth Proportional to 1,264,545,468.07, 1,745,093,405.68 and 692,318,973.16
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Solution
The fourth proportional to 1,264,545,468.07, 1,745,093,405.68 and 692,318,973.16 is: 955,411,493.85
Step by Step Solution
- Step 1: Write the proportion equation
1,264,545,468.07 : 1,745,093,405.68 = 692,318,973.16 : x - Step 2: Convert to fraction form
1,264,545,468.07/1,745,093,405.68 = 692,318,973.16/x - Step 3: Cross multiply
1,264,545,468.07x = 1,745,093,405.68 × 692,318,973.16 - Step 4: Simplify right side
1,264,545,468.07x = 1,208,161,274,689,115,392 - Step 5: Solve for x
x = 1,208,161,274,689,115,392/1,264,545,468.07 - Step 6: Final answer
x = 955,411,493.85
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.