Finding the Fourth Proportional to 1,700,906,663.36, 2,347,261,227.95 and 986,867,378.55
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Solution
The fourth proportional to 1,700,906,663.36, 2,347,261,227.95 and 986,867,378.55 is: 1,361,882,803.27
Step by Step Solution
- Step 1: Write the proportion equation
1,700,906,663.36 : 2,347,261,227.95 = 986,867,378.55 : x - Step 2: Convert to fraction form
1,700,906,663.36/2,347,261,227.95 = 986,867,378.55/x - Step 3: Cross multiply
1,700,906,663.36x = 2,347,261,227.95 × 986,867,378.55 - Step 4: Simplify right side
1,700,906,663.36x = 2,316,435,534,794,136,064 - Step 5: Solve for x
x = 2,316,435,534,794,136,064/1,700,906,663.36 - Step 6: Final answer
x = 1,361,882,803.27
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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.