Finding the Fourth Proportional to 3,374,677,497.80, 5,062,016,246.70 and 921,262,406.60
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Solution
The fourth proportional to 3,374,677,497.80, 5,062,016,246.70 and 921,262,406.60 is: 1,381,893,609.90
Step by Step Solution
- Step 1: Write the proportion equation
3,374,677,497.80 : 5,062,016,246.70 = 921,262,406.60 : x - Step 2: Convert to fraction form
3,374,677,497.80/5,062,016,246.70 = 921,262,406.60/x - Step 3: Cross multiply
3,374,677,497.80x = 5,062,016,246.70 × 921,262,406.60 - Step 4: Simplify right side
3,374,677,497.80x = 4,663,445,269,683,141,632 - Step 5: Solve for x
x = 4,663,445,269,683,141,632/3,374,677,497.80 - Step 6: Final answer
x = 1,381,893,609.90
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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.