Finding the Fourth Proportional to 1,135,685,584.60, 1,703,402,405.70 and 930,856,413.40
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Solution
The fourth proportional to 1,135,685,584.60, 1,703,402,405.70 and 930,856,413.40 is: 1,396,181,368.72
Step by Step Solution
- Step 1: Write the proportion equation
1,135,685,584.60 : 1,703,402,405.70 = 930,856,413.40 : x - Step 2: Convert to fraction form
1,135,685,584.60/1,703,402,405.70 = 930,856,413.40/x - Step 3: Cross multiply
1,135,685,584.60x = 1,703,402,405.70 × 930,856,413.40 - Step 4: Simplify right side
1,135,685,584.60x = 1,585,623,053,946,833,664 - Step 5: Solve for x
x = 1,585,623,053,946,833,664/1,135,685,584.60 - Step 6: Final answer
x = 1,396,181,368.72
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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.