Finding the Fourth Proportional to 399,635,386.98, 599,446,281.62 and 119,516,941.98
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Solution
The fourth proportional to 399,635,386.98, 599,446,281.62 and 119,516,941.98 is: 179,273,379.67
Step by Step Solution
- Step 1: Write the proportion equation
399,635,386.98 : 599,446,281.62 = 119,516,941.98 : x - Step 2: Convert to fraction form
399,635,386.98/599,446,281.62 = 119,516,941.98/x - Step 3: Cross multiply
399,635,386.98x = 599,446,281.62 × 119,516,941.98 - Step 4: Simplify right side
399,635,386.98x = 71,643,986,459,906,696 - Step 5: Solve for x
x = 71,643,986,459,906,696/399,635,386.98 - Step 6: Final answer
x = 179,273,379.67
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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.