Finding the Fourth Proportional to 998,486,691.36, 1,497,934,312.92 and 343,352,632.56
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Solution
The fourth proportional to 998,486,691.36, 1,497,934,312.92 and 343,352,632.56 is: 515,099,193.80
Step by Step Solution
- Step 1: Write the proportion equation
998,486,691.36 : 1,497,934,312.92 = 343,352,632.56 : x - Step 2: Convert to fraction form
998,486,691.36/1,497,934,312.92 = 343,352,632.56/x - Step 3: Cross multiply
998,486,691.36x = 1,497,934,312.92 × 343,352,632.56 - Step 4: Simplify right side
998,486,691.36x = 514,319,689,743,036,864 - Step 5: Solve for x
x = 514,319,689,743,036,864/998,486,691.36 - Step 6: Final answer
x = 515,099,193.80
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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.