Finding the Fourth Proportional to 406,683,696.24, 561,493,770.39 and 312,429,977.82
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Solution
The fourth proportional to 406,683,696.24, 561,493,770.39 and 312,429,977.82 is: 431,361,000.82
Step by Step Solution
- Step 1: Write the proportion equation
406,683,696.24 : 561,493,770.39 = 312,429,977.82 : x - Step 2: Convert to fraction form
406,683,696.24/561,493,770.39 = 312,429,977.82/x - Step 3: Cross multiply
406,683,696.24x = 561,493,770.39 × 312,429,977.82 - Step 4: Simplify right side
406,683,696.24x = 175,427,486,229,015,872 - Step 5: Solve for x
x = 175,427,486,229,015,872/406,683,696.24 - Step 6: Final answer
x = 431,361,000.82
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.