Finding the Fourth Proportional to 3,938,213,708.96, 5,436,408,328.08 and 2,453,835,236
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Solution
The fourth proportional to 3,938,213,708.96, 5,436,408,328.08 and 2,453,835,236 is: 3,387,335,299.35
Step by Step Solution
- Step 1: Write the proportion equation
3,938,213,708.96 : 5,436,408,328.08 = 2,453,835,236 : x - Step 2: Convert to fraction form
3,938,213,708.96/5,436,408,328.08 = 2,453,835,236/x - Step 3: Cross multiply
3,938,213,708.96x = 5,436,408,328.08 × 2,453,835,236 - Step 4: Simplify right side
3,938,213,708.96x = 13,340,050,312,726,552,576 - Step 5: Solve for x
x = 13,340,050,312,726,552,576/3,938,213,708.96 - Step 6: Final answer
x = 3,387,335,299.35
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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.