Finding the Fourth Proportional to 946,733,416.80, 1,420,100,125.20 and 910,453,711.20
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Solution
The fourth proportional to 946,733,416.80, 1,420,100,125.20 and 910,453,711.20 is: 1,365,680,566.80
Step by Step Solution
- Step 1: Write the proportion equation
946,733,416.80 : 1,420,100,125.20 = 910,453,711.20 : x - Step 2: Convert to fraction form
946,733,416.80/1,420,100,125.20 = 910,453,711.20/x - Step 3: Cross multiply
946,733,416.80x = 1,420,100,125.20 × 910,453,711.20 - Step 4: Simplify right side
946,733,416.80x = 1,292,935,429,263,924,736 - Step 5: Solve for x
x = 1,292,935,429,263,924,736/946,733,416.80 - Step 6: Final answer
x = 1,365,680,566.80
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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.