Finding the Fourth Proportional to 542,040,413.17, 813,058,986.80 and 153,863,572.09
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Solution
The fourth proportional to 542,040,413.17, 813,058,986.80 and 153,863,572.09 is: 230,794,894.60
Step by Step Solution
- Step 1: Write the proportion equation
542,040,413.17 : 813,058,986.80 = 153,863,572.09 : x - Step 2: Convert to fraction form
542,040,413.17/813,058,986.80 = 153,863,572.09/x - Step 3: Cross multiply
542,040,413.17x = 813,058,986.80 × 153,863,572.09 - Step 4: Simplify right side
542,040,413.17x = 125,100,160,028,924,160 - Step 5: Solve for x
x = 125,100,160,028,924,160/542,040,413.17 - Step 6: Final answer
x = 230,794,894.60
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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.