Finding the Fourth Proportional to 576,193,064.68, 795,146,468.19 and 315,432,680.68
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Solution
The fourth proportional to 576,193,064.68, 795,146,468.19 and 315,432,680.68 is: 435,297,120.65
Step by Step Solution
- Step 1: Write the proportion equation
576,193,064.68 : 795,146,468.19 = 315,432,680.68 : x - Step 2: Convert to fraction form
576,193,064.68/795,146,468.19 = 315,432,680.68/x - Step 3: Cross multiply
576,193,064.68x = 795,146,468.19 × 315,432,680.68 - Step 4: Simplify right side
576,193,064.68x = 250,815,181,994,406,080 - Step 5: Solve for x
x = 250,815,181,994,406,080/576,193,064.68 - Step 6: Final answer
x = 435,297,120.65
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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.