Finding the Fourth Proportional to 532,497,670.97, 734,919,785.71 and 306,432,008.66
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Solution
The fourth proportional to 532,497,670.97, 734,919,785.71 and 306,432,008.66 is: 422,918,180.53
Step by Step Solution
- Step 1: Write the proportion equation
532,497,670.97 : 734,919,785.71 = 306,432,008.66 : x - Step 2: Convert to fraction form
532,497,670.97/734,919,785.71 = 306,432,008.66/x - Step 3: Cross multiply
532,497,670.97x = 734,919,785.71 × 306,432,008.66 - Step 4: Simplify right side
532,497,670.97x = 225,202,946,140,163,296 - Step 5: Solve for x
x = 225,202,946,140,163,296/532,497,670.97 - Step 6: Final answer
x = 422,918,180.53
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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.