Finding the Fourth Proportional to 4,267,858,769.60, 6,405,371,335.20 and 1,942,374,430.40
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Solution
The fourth proportional to 4,267,858,769.60, 6,405,371,335.20 and 1,942,374,430.40 is: 2,915,192,411.55
Step by Step Solution
- Step 1: Write the proportion equation
4,267,858,769.60 : 6,405,371,335.20 = 1,942,374,430.40 : x - Step 2: Convert to fraction form
4,267,858,769.60/6,405,371,335.20 = 1,942,374,430.40/x - Step 3: Cross multiply
4,267,858,769.60x = 6,405,371,335.20 × 1,942,374,430.40 - Step 4: Simplify right side
4,267,858,769.60x = 12,441,629,498,709,587,968 - Step 5: Solve for x
x = 12,441,629,498,709,587,968/4,267,858,769.60 - Step 6: Final answer
x = 2,915,192,411.55
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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.