Finding the Fourth Proportional to 311,086,032,903.93, 429,367,787,910.42 and 189,124,852,166.99
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Solution
The fourth proportional to 311,086,032,903.93, 429,367,787,910.42 and 189,124,852,166.99 is: 261,034,282,561.00
Step by Step Solution
- Step 1: Write the proportion equation
311,086,032,903.93 : 429,367,787,910.42 = 189,124,852,166.99 : x - Step 2: Convert to fraction form
311,086,032,903.93/429,367,787,910.42 = 189,124,852,166.99/x - Step 3: Cross multiply
311,086,032,903.93x = 429,367,787,910.42 × 189,124,852,166.99 - Step 4: Simplify right side
311,086,032,903.93x = 81,204,119,413,825,692,762,112 - Step 5: Solve for x
x = 81,204,119,413,825,692,762,112/311,086,032,903.93 - Step 6: Final answer
x = 261,034,282,561.00
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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.