Finding the Fourth Proportional to 533,542,478, 736,288,619.64 and 289,355,342
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Solution
The fourth proportional to 533,542,478, 736,288,619.64 and 289,355,342 is: 399,310,371.96
Step by Step Solution
- Step 1: Write the proportion equation
533,542,478 : 736,288,619.64 = 289,355,342 : x - Step 2: Convert to fraction form
533,542,478/736,288,619.64 = 289,355,342/x - Step 3: Cross multiply
533,542,478x = 736,288,619.64 × 289,355,342 - Step 4: Simplify right side
533,542,478x = 213,049,045,346,640,128 - Step 5: Solve for x
x = 213,049,045,346,640,128/533,542,478 - Step 6: Final answer
x = 399,310,371.96
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.