Finding the Fourth Proportional to 5,432,510,118.70, 8,148,765,178.05 and 3,676,203,901.90
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Solution
The fourth proportional to 5,432,510,118.70, 8,148,765,178.05 and 3,676,203,901.90 is: 5,514,305,852.85
Step by Step Solution
- Step 1: Write the proportion equation
5,432,510,118.70 : 8,148,765,178.05 = 3,676,203,901.90 : x - Step 2: Convert to fraction form
5,432,510,118.70/8,148,765,178.05 = 3,676,203,901.90/x - Step 3: Cross multiply
5,432,510,118.70x = 8,148,765,178.05 × 3,676,203,901.90 - Step 4: Simplify right side
5,432,510,118.70x = 29,956,522,343,214,260,224 - Step 5: Solve for x
x = 29,956,522,343,214,260,224/5,432,510,118.70 - Step 6: Final answer
x = 5,514,305,852.85
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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.