Finding the Fourth Proportional to 339,922,652.70, 509,883,979.05 and 271,898,204.70
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Solution
The fourth proportional to 339,922,652.70, 509,883,979.05 and 271,898,204.70 is: 407,847,307.05
Step by Step Solution
- Step 1: Write the proportion equation
339,922,652.70 : 509,883,979.05 = 271,898,204.70 : x - Step 2: Convert to fraction form
339,922,652.70/509,883,979.05 = 271,898,204.70/x - Step 3: Cross multiply
339,922,652.70x = 509,883,979.05 × 271,898,204.70 - Step 4: Simplify right side
339,922,652.70x = 138,636,538,508,987,408 - Step 5: Solve for x
x = 138,636,538,508,987,408/339,922,652.70 - Step 6: Final answer
x = 407,847,307.05
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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.