Finding the Fourth Proportional to 88,253,518,412.36, 132,379,405,234.36 and 40,432,963,412.94
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Solution
The fourth proportional to 88,253,518,412.36, 132,379,405,234.36 and 40,432,963,412.94 is: 60,649,045,440.41
Step by Step Solution
- Step 1: Write the proportion equation
88,253,518,412.36 : 132,379,405,234.36 = 40,432,963,412.94 : x - Step 2: Convert to fraction form
88,253,518,412.36/132,379,405,234.36 = 40,432,963,412.94/x - Step 3: Cross multiply
88,253,518,412.36x = 132,379,405,234.36 × 40,432,963,412.94 - Step 4: Simplify right side
88,253,518,412.36x = 5,352,491,648,467,636,060,160 - Step 5: Solve for x
x = 5,352,491,648,467,636,060,160/88,253,518,412.36 - Step 6: Final answer
x = 60,649,045,440.41
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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.