Finding the Fourth Proportional to 403,910,982.24, 557,373,133.50 and 234,352,084.56
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Solution
The fourth proportional to 403,910,982.24, 557,373,133.50 and 234,352,084.56 is: 323,391,938.96
Step by Step Solution
- Step 1: Write the proportion equation
403,910,982.24 : 557,373,133.50 = 234,352,084.56 : x - Step 2: Convert to fraction form
403,910,982.24/557,373,133.50 = 234,352,084.56/x - Step 3: Cross multiply
403,910,982.24x = 557,373,133.50 × 234,352,084.56 - Step 4: Simplify right side
403,910,982.24x = 130,621,555,713,464,176 - Step 5: Solve for x
x = 130,621,555,713,464,176/403,910,982.24 - Step 6: Final answer
x = 323,391,938.96
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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.