Finding the Fourth Proportional to 485,961,033.44, 670,625,792.70 and 274,312,413.52
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Solution
The fourth proportional to 485,961,033.44, 670,625,792.70 and 274,312,413.52 is: 378,550,885.99
Step by Step Solution
- Step 1: Write the proportion equation
485,961,033.44 : 670,625,792.70 = 274,312,413.52 : x - Step 2: Convert to fraction form
485,961,033.44/670,625,792.70 = 274,312,413.52/x - Step 3: Cross multiply
485,961,033.44x = 670,625,792.70 × 274,312,413.52 - Step 4: Simplify right side
485,961,033.44x = 183,960,979,764,300,192 - Step 5: Solve for x
x = 183,960,979,764,300,192/485,961,033.44 - Step 6: Final answer
x = 378,550,885.99
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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.