Finding the Fourth Proportional to 539,874,940,738.90, 809,726,207,655.50 and 157,329,534,489.92
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Solution
The fourth proportional to 539,874,940,738.90, 809,726,207,655.50 and 157,329,534,489.92 is: 235,969,180,455.70
Step by Step Solution
- Step 1: Write the proportion equation
539,874,940,738.90 : 809,726,207,655.50 = 157,329,534,489.92 : x - Step 2: Convert to fraction form
539,874,940,738.90/809,726,207,655.50 = 157,329,534,489.92/x - Step 3: Cross multiply
539,874,940,738.90x = 809,726,207,655.50 × 157,329,534,489.92 - Step 4: Simplify right side
539,874,940,738.90x = 127,393,847,314,728,129,396,736 - Step 5: Solve for x
x = 127,393,847,314,728,129,396,736/539,874,940,738.90 - Step 6: Final answer
x = 235,969,180,455.70
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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.