Finding the Fourth Proportional to 441,026,745.79, 661,558,375.58 and 130,134,355.60
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Solution
The fourth proportional to 441,026,745.79, 661,558,375.58 and 130,134,355.60 is: 195,206,920.49
Step by Step Solution
- Step 1: Write the proportion equation
441,026,745.79 : 661,558,375.58 = 130,134,355.60 : x - Step 2: Convert to fraction form
441,026,745.79/661,558,375.58 = 130,134,355.60/x - Step 3: Cross multiply
441,026,745.79x = 661,558,375.58 × 130,134,355.60 - Step 4: Simplify right side
441,026,745.79x = 86,091,472,897,886,080 - Step 5: Solve for x
x = 86,091,472,897,886,080/441,026,745.79 - Step 6: Final answer
x = 195,206,920.49
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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.