Finding the Fourth Proportional to 2,327,421,590.20, 3,211,909,823.46 and 1,270,217,413.18
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Solution
The fourth proportional to 2,327,421,590.20, 3,211,909,823.46 and 1,270,217,413.18 is: 1,752,937,157.80
Step by Step Solution
- Step 1: Write the proportion equation
2,327,421,590.20 : 3,211,909,823.46 = 1,270,217,413.18 : x - Step 2: Convert to fraction form
2,327,421,590.20/3,211,909,823.46 = 1,270,217,413.18/x - Step 3: Cross multiply
2,327,421,590.20x = 3,211,909,823.46 × 1,270,217,413.18 - Step 4: Simplify right side
2,327,421,590.20x = 4,079,823,787,322,791,936 - Step 5: Solve for x
x = 4,079,823,787,322,791,936/2,327,421,590.20 - Step 6: Final answer
x = 1,752,937,157.80
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1.5x scale
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.