Finding the Fourth Proportional to 598,935,647.20, 898,403,470.80 and 276,449,375.20
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Solution
The fourth proportional to 598,935,647.20, 898,403,470.80 and 276,449,375.20 is: 414,674,062.80
Step by Step Solution
- Step 1: Write the proportion equation
598,935,647.20 : 898,403,470.80 = 276,449,375.20 : x - Step 2: Convert to fraction form
598,935,647.20/898,403,470.80 = 276,449,375.20/x - Step 3: Cross multiply
598,935,647.20x = 898,403,470.80 × 276,449,375.20 - Step 4: Simplify right side
598,935,647.20x = 248,363,078,180,171,424 - Step 5: Solve for x
x = 248,363,078,180,171,424/598,935,647.20 - Step 6: Final answer
x = 414,674,062.80
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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.