Finding the Fourth Proportional to 522,702,479.93, 721,307,326.61 and 284,542,707.02
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Solution
The fourth proportional to 522,702,479.93, 721,307,326.61 and 284,542,707.02 is: 392,656,907.49
Step by Step Solution
- Step 1: Write the proportion equation
522,702,479.93 : 721,307,326.61 = 284,542,707.02 : x - Step 2: Convert to fraction form
522,702,479.93/721,307,326.61 = 284,542,707.02/x - Step 3: Cross multiply
522,702,479.93x = 721,307,326.61 × 284,542,707.02 - Step 4: Simplify right side
522,702,479.93x = 205,242,739,305,545,952 - Step 5: Solve for x
x = 205,242,739,305,545,952/522,702,479.93 - Step 6: Final answer
x = 392,656,907.49
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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.