Finding the Fourth Proportional to 547,383,922.48, 754,784,316.12 and 348,830,683.12
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Solution
The fourth proportional to 547,383,922.48, 754,784,316.12 and 348,830,683.12 is: 481,000,478.43
Step by Step Solution
- Step 1: Write the proportion equation
547,383,922.48 : 754,784,316.12 = 348,830,683.12 : x - Step 2: Convert to fraction form
547,383,922.48/754,784,316.12 = 348,830,683.12/x - Step 3: Cross multiply
547,383,922.48x = 754,784,316.12 × 348,830,683.12 - Step 4: Simplify right side
547,383,922.48x = 263,291,928,600,401,632 - Step 5: Solve for x
x = 263,291,928,600,401,632/547,383,922.48 - Step 6: Final answer
x = 481,000,478.43
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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.