Finding the Fourth Proportional to 1,293,672,486.23, 1,785,268,030.98 and 736,807,348.79
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Solution
The fourth proportional to 1,293,672,486.23, 1,785,268,030.98 and 736,807,348.79 is: 1,016,794,141.31
Step by Step Solution
- Step 1: Write the proportion equation
1,293,672,486.23 : 1,785,268,030.98 = 736,807,348.79 : x - Step 2: Convert to fraction form
1,293,672,486.23/1,785,268,030.98 = 736,807,348.79/x - Step 3: Cross multiply
1,293,672,486.23x = 1,785,268,030.98 × 736,807,348.79 - Step 4: Simplify right side
1,293,672,486.23x = 1,315,398,604,773,306,880 - Step 5: Solve for x
x = 1,315,398,604,773,306,880/1,293,672,486.23 - Step 6: Final answer
x = 1,016,794,141.31
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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.