Finding the Fourth Proportional to 735,994,808.10, 1,103,992,212.15 and 491,106,795.30
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Solution
The fourth proportional to 735,994,808.10, 1,103,992,212.15 and 491,106,795.30 is: 736,660,192.95
Step by Step Solution
- Step 1: Write the proportion equation
735,994,808.10 : 1,103,992,212.15 = 491,106,795.30 : x - Step 2: Convert to fraction form
735,994,808.10/1,103,992,212.15 = 491,106,795.30/x - Step 3: Cross multiply
735,994,808.10x = 1,103,992,212.15 × 491,106,795.30 - Step 4: Simplify right side
735,994,808.10x = 542,178,077,345,144,256 - Step 5: Solve for x
x = 542,178,077,345,144,256/735,994,808.10 - Step 6: Final answer
x = 736,660,192.95
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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.