Finding the Fourth Proportional to 998,487,223.48, 1,497,935,107.86 and 343,353,166.70
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Solution
The fourth proportional to 998,487,223.48, 1,497,935,107.86 and 343,353,166.70 is: 515,099,993.97
Step by Step Solution
- Step 1: Write the proportion equation
998,487,223.48 : 1,497,935,107.86 = 343,353,166.70 : x - Step 2: Convert to fraction form
998,487,223.48/1,497,935,107.86 = 343,353,166.70/x - Step 3: Cross multiply
998,487,223.48x = 1,497,935,107.86 × 343,353,166.70 - Step 4: Simplify right side
998,487,223.48x = 514,320,762,794,836,992 - Step 5: Solve for x
x = 514,320,762,794,836,992/998,487,223.48 - Step 6: Final answer
x = 515,099,993.97
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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.