Finding the Fourth Proportional to 533,542,466.63, 736,288,603.95 and 289,355,330.63
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Solution
The fourth proportional to 533,542,466.63, 736,288,603.95 and 289,355,330.63 is: 399,310,356.27
Step by Step Solution
- Step 1: Write the proportion equation
533,542,466.63 : 736,288,603.95 = 289,355,330.63 : x - Step 2: Convert to fraction form
533,542,466.63/736,288,603.95 = 289,355,330.63/x - Step 3: Cross multiply
533,542,466.63x = 736,288,603.95 × 289,355,330.63 - Step 4: Simplify right side
533,542,466.63x = 213,049,032,431,371,936 - Step 5: Solve for x
x = 213,049,032,431,371,936/533,542,466.63 - Step 6: Final answer
x = 399,310,356.27
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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.