Finding the Fourth Proportional to 10,081,929,165.70, 15,122,893,748.55 and 5,432,883,297.70
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Solution
The fourth proportional to 10,081,929,165.70, 15,122,893,748.55 and 5,432,883,297.70 is: 8,149,324,946.55
Step by Step Solution
- Step 1: Write the proportion equation
10,081,929,165.70 : 15,122,893,748.55 = 5,432,883,297.70 : x - Step 2: Convert to fraction form
10,081,929,165.70/15,122,893,748.55 = 5,432,883,297.70/x - Step 3: Cross multiply
10,081,929,165.70x = 15,122,893,748.55 × 5,432,883,297.70 - Step 4: Simplify right side
10,081,929,165.70x = 82,160,916,859,389,034,496 - Step 5: Solve for x
x = 82,160,916,859,389,034,496/10,081,929,165.70 - Step 6: Final answer
x = 8,149,324,946.55
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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.