Finding the Fourth Proportional to 486,425,413.82, 729,487,215.95 and 175,492,608.99
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Solution
The fourth proportional to 486,425,413.82, 729,487,215.95 and 175,492,608.99 is: 263,184,470.04
Step by Step Solution
- Step 1: Write the proportion equation
486,425,413.82 : 729,487,215.95 = 175,492,608.99 : x - Step 2: Convert to fraction form
486,425,413.82/729,487,215.95 = 175,492,608.99/x - Step 3: Cross multiply
486,425,413.82x = 729,487,215.95 × 175,492,608.99 - Step 4: Simplify right side
486,425,413.82x = 128,019,614,751,039,600 - Step 5: Solve for x
x = 128,019,614,751,039,600/486,425,413.82 - Step 6: Final answer
x = 263,184,470.04
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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.