Finding the Fourth Proportional to 532,497,591.34, 734,919,675.84 and 306,431,929.12
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Solution
The fourth proportional to 532,497,591.34, 734,919,675.84 and 306,431,929.12 is: 422,918,070.76
Step by Step Solution
- Step 1: Write the proportion equation
532,497,591.34 : 734,919,675.84 = 306,431,929.12 : x - Step 2: Convert to fraction form
532,497,591.34/734,919,675.84 = 306,431,929.12/x - Step 3: Cross multiply
532,497,591.34x = 734,919,675.84 × 306,431,929.12 - Step 4: Simplify right side
532,497,591.34x = 225,202,854,015,896,256 - Step 5: Solve for x
x = 225,202,854,015,896,256/532,497,591.34 - Step 6: Final answer
x = 422,918,070.76
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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.