Finding the Fourth Proportional to 655,509,390.24, 904,592,257.36 and 358,145,233.12
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Solution
The fourth proportional to 655,509,390.24, 904,592,257.36 and 358,145,233.12 is: 494,234,575.00
Step by Step Solution
- Step 1: Write the proportion equation
655,509,390.24 : 904,592,257.36 = 358,145,233.12 : x - Step 2: Convert to fraction form
655,509,390.24/904,592,257.36 = 358,145,233.12/x - Step 3: Cross multiply
655,509,390.24x = 904,592,257.36 × 358,145,233.12 - Step 4: Simplify right side
655,509,390.24x = 323,975,404,890,744,256 - Step 5: Solve for x
x = 323,975,404,890,744,256/655,509,390.24 - Step 6: Final answer
x = 494,234,575.00
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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.