Finding the Fourth Proportional to 7,668,900,382.60, 11,503,350,573.90 and 4,362,912,209.80
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Solution
The fourth proportional to 7,668,900,382.60, 11,503,350,573.90 and 4,362,912,209.80 is: 6,544,368,314.70
Step by Step Solution
- Step 1: Write the proportion equation
7,668,900,382.60 : 11,503,350,573.90 = 4,362,912,209.80 : x - Step 2: Convert to fraction form
7,668,900,382.60/11,503,350,573.90 = 4,362,912,209.80/x - Step 3: Cross multiply
7,668,900,382.60x = 11,503,350,573.90 × 4,362,912,209.80 - Step 4: Simplify right side
7,668,900,382.60x = 50,188,108,672,478,150,656 - Step 5: Solve for x
x = 50,188,108,672,478,150,656/7,668,900,382.60 - Step 6: Final answer
x = 6,544,368,314.70
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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.