Finding the Fourth Proportional to 2,421,437,588,868, 3,632,159,879,031.20 and 988,845,483,231.70
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Solution
The fourth proportional to 2,421,437,588,868, 3,632,159,879,031.20 and 988,845,483,231.70 is: 1,483,269,652,402.84
Step by Step Solution
- Step 1: Write the proportion equation
2,421,437,588,868 : 3,632,159,879,031.20 = 988,845,483,231.70 : x - Step 2: Convert to fraction form
2,421,437,588,868/3,632,159,879,031.20 = 988,845,483,231.70/x - Step 3: Cross multiply
2,421,437,588,868x = 3,632,159,879,031.20 × 988,845,483,231.70 - Step 4: Simplify right side
2,421,437,588,868x = 3,591,644,890,755,399,786,954,752 - Step 5: Solve for x
x = 3,591,644,890,755,399,786,954,752/2,421,437,588,868 - Step 6: Final answer
x = 1,483,269,652,402.84
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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.