Finding the Fourth Proportional to 970,400,413.60, 1,452,577,311.60 and 698,302,621.60
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Solution
The fourth proportional to 970,400,413.60, 1,452,577,311.60 and 698,302,621.60 is: 1,045,278,351.65
Step by Step Solution
- Step 1: Write the proportion equation
970,400,413.60 : 1,452,577,311.60 = 698,302,621.60 : x - Step 2: Convert to fraction form
970,400,413.60/1,452,577,311.60 = 698,302,621.60/x - Step 3: Cross multiply
970,400,413.60x = 1,452,577,311.60 × 698,302,621.60 - Step 4: Simplify right side
970,400,413.60x = 1,014,338,544,766,960,000 - Step 5: Solve for x
x = 1,014,338,544,766,960,000/970,400,413.60 - Step 6: Final answer
x = 1,045,278,351.65
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1.5x scale
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.