Finding the Fourth Proportional to 15,110,750,138.40, 22,666,125,207.60 and 7,246,114,211.70
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Solution
The fourth proportional to 15,110,750,138.40, 22,666,125,207.60 and 7,246,114,211.70 is: 10,869,171,317.55
Step by Step Solution
- Step 1: Write the proportion equation
15,110,750,138.40 : 22,666,125,207.60 = 7,246,114,211.70 : x - Step 2: Convert to fraction form
15,110,750,138.40/22,666,125,207.60 = 7,246,114,211.70/x - Step 3: Cross multiply
15,110,750,138.40x = 22,666,125,207.60 × 7,246,114,211.70 - Step 4: Simplify right side
15,110,750,138.40x = 164,241,331,990,961,946,624 - Step 5: Solve for x
x = 164,241,331,990,961,946,624/15,110,750,138.40 - Step 6: Final answer
x = 10,869,171,317.55
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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.