Finding the Fourth Proportional to 946,733,412.30, 1,420,100,118.45 and 910,453,706.70
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Solution
The fourth proportional to 946,733,412.30, 1,420,100,118.45 and 910,453,706.70 is: 1,365,680,560.05
Step by Step Solution
- Step 1: Write the proportion equation
946,733,412.30 : 1,420,100,118.45 = 910,453,706.70 : x - Step 2: Convert to fraction form
946,733,412.30/1,420,100,118.45 = 910,453,706.70/x - Step 3: Cross multiply
946,733,412.30x = 1,420,100,118.45 × 910,453,706.70 - Step 4: Simplify right side
946,733,412.30x = 1,292,935,416,727,911,680 - Step 5: Solve for x
x = 1,292,935,416,727,911,680/946,733,412.30 - Step 6: Final answer
x = 1,365,680,560.05
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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.