Finding the Fourth Proportional to 292,413,773.70, 438,620,660.55 and 235,018,145.70
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Solution
The fourth proportional to 292,413,773.70, 438,620,660.55 and 235,018,145.70 is: 352,527,218.55
Step by Step Solution
- Step 1: Write the proportion equation
292,413,773.70 : 438,620,660.55 = 235,018,145.70 : x - Step 2: Convert to fraction form
292,413,773.70/438,620,660.55 = 235,018,145.70/x - Step 3: Cross multiply
292,413,773.70x = 438,620,660.55 × 235,018,145.70 - Step 4: Simplify right side
292,413,773.70x = 103,083,814,308,170,144 - Step 5: Solve for x
x = 103,083,814,308,170,144/292,413,773.70 - Step 6: Final answer
x = 352,527,218.55
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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.