Finding the Fourth Proportional to 517,833,442.19, 777,056,617.29 and 190,538,797.07
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Solution
The fourth proportional to 517,833,442.19, 777,056,617.29 and 190,538,797.07 is: 285,920,956.53
Step by Step Solution
- Step 1: Write the proportion equation
517,833,442.19 : 777,056,617.29 = 190,538,797.07 : x - Step 2: Convert to fraction form
517,833,442.19/777,056,617.29 = 190,538,797.07/x - Step 3: Cross multiply
517,833,442.19x = 777,056,617.29 × 190,538,797.07 - Step 4: Simplify right side
517,833,442.19x = 148,059,433,113,719,936 - Step 5: Solve for x
x = 148,059,433,113,719,936/517,833,442.19 - Step 6: Final answer
x = 285,920,956.53
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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.