Finding the Fourth Proportional to 532,497,590.34, 734,919,674.46 and 306,431,928.12
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Solution
The fourth proportional to 532,497,590.34, 734,919,674.46 and 306,431,928.12 is: 422,918,069.38
Step by Step Solution
- Step 1: Write the proportion equation
532,497,590.34 : 734,919,674.46 = 306,431,928.12 : x - Step 2: Convert to fraction form
532,497,590.34/734,919,674.46 = 306,431,928.12/x - Step 3: Cross multiply
532,497,590.34x = 734,919,674.46 × 306,431,928.12 - Step 4: Simplify right side
532,497,590.34x = 225,202,852,858,100,544 - Step 5: Solve for x
x = 225,202,852,858,100,544/532,497,590.34 - Step 6: Final answer
x = 422,918,069.38
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.