Finding the Fourth Proportional to 5,278,480,353.60, 7,915,704,991.20 and 1,596,762,081.60
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Solution
The fourth proportional to 5,278,480,353.60, 7,915,704,991.20 and 1,596,762,081.60 is: 2,394,533,413.48
Step by Step Solution
- Step 1: Write the proportion equation
5,278,480,353.60 : 7,915,704,991.20 = 1,596,762,081.60 : x - Step 2: Convert to fraction form
5,278,480,353.60/7,915,704,991.20 = 1,596,762,081.60/x - Step 3: Cross multiply
5,278,480,353.60x = 7,915,704,991.20 × 1,596,762,081.60 - Step 4: Simplify right side
5,278,480,353.60x = 12,639,497,579,080,019,968 - Step 5: Solve for x
x = 12,639,497,579,080,019,968/5,278,480,353.60 - Step 6: Final answer
x = 2,394,533,413.48
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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.