Finding the Fourth Proportional to 5,438,197,496,421.20, 7,508,100,048,216 and 3,461,731,328,817.80
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Solution
The fourth proportional to 5,438,197,496,421.20, 7,508,100,048,216 and 3,461,731,328,817.80 is: 4,779,345,577,999.34
Step by Step Solution
- Step 1: Write the proportion equation
5,438,197,496,421.20 : 7,508,100,048,216 = 3,461,731,328,817.80 : x - Step 2: Convert to fraction form
5,438,197,496,421.20/7,508,100,048,216 = 3,461,731,328,817.80/x - Step 3: Cross multiply
5,438,197,496,421.20x = 7,508,100,048,216 × 3,461,731,328,817.80 - Step 4: Simplify right side
5,438,197,496,421.20x = 25,991,025,156,807,761,879,629,824 - Step 5: Solve for x
x = 25,991,025,156,807,761,879,629,824/5,438,197,496,421.20 - Step 6: Final answer
x = 4,779,345,577,999.34
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.