Finding the Fourth Proportional to 5,432,508,729.80, 8,148,763,094.70 and 1,555,115,193.80
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Solution
The fourth proportional to 5,432,508,729.80, 8,148,763,094.70 and 1,555,115,193.80 is: 2,332,672,790.70
Step by Step Solution
- Step 1: Write the proportion equation
5,432,508,729.80 : 8,148,763,094.70 = 1,555,115,193.80 : x - Step 2: Convert to fraction form
5,432,508,729.80/8,148,763,094.70 = 1,555,115,193.80/x - Step 3: Cross multiply
5,432,508,729.80x = 8,148,763,094.70 × 1,555,115,193.80 - Step 4: Simplify right side
5,432,508,729.80x = 12,672,265,299,244,677,120 - Step 5: Solve for x
x = 12,672,265,299,244,677,120/5,432,508,729.80 - Step 6: Final answer
x = 2,332,672,790.70
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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.