Finding the Fourth Proportional to 472,394,345.70, 708,591,518.55 and 414,998,717.70
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Solution
The fourth proportional to 472,394,345.70, 708,591,518.55 and 414,998,717.70 is: 622,498,076.55
Step by Step Solution
- Step 1: Write the proportion equation
472,394,345.70 : 708,591,518.55 = 414,998,717.70 : x - Step 2: Convert to fraction form
472,394,345.70/708,591,518.55 = 414,998,717.70/x - Step 3: Cross multiply
472,394,345.70x = 708,591,518.55 × 414,998,717.70 - Step 4: Simplify right side
472,394,345.70x = 294,064,571,571,345,728 - Step 5: Solve for x
x = 294,064,571,571,345,728/472,394,345.70 - Step 6: Final answer
x = 622,498,076.55
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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.