Finding the Fourth Proportional to 943,715,753.60, 1,415,573,630.40 and 576,383,734.40
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Solution
The fourth proportional to 943,715,753.60, 1,415,573,630.40 and 576,383,734.40 is: 864,575,601.60
Step by Step Solution
- Step 1: Write the proportion equation
943,715,753.60 : 1,415,573,630.40 = 576,383,734.40 : x - Step 2: Convert to fraction form
943,715,753.60/1,415,573,630.40 = 576,383,734.40/x - Step 3: Cross multiply
943,715,753.60x = 1,415,573,630.40 × 576,383,734.40 - Step 4: Simplify right side
943,715,753.60x = 815,913,615,408,117,376 - Step 5: Solve for x
x = 815,913,615,408,117,376/943,715,753.60 - Step 6: Final answer
x = 864,575,601.60
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1.5x scale
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.