Finding the Fourth Proportional to 395,779,361.37, 545,948,599.74 and 246,841,909.17
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Solution
The fourth proportional to 395,779,361.37, 545,948,599.74 and 246,841,909.17 is: 340,500,308.56
Step by Step Solution
- Step 1: Write the proportion equation
395,779,361.37 : 545,948,599.74 = 246,841,909.17 : x - Step 2: Convert to fraction form
395,779,361.37/545,948,599.74 = 246,841,909.17/x - Step 3: Cross multiply
395,779,361.37x = 545,948,599.74 × 246,841,909.17 - Step 4: Simplify right side
395,779,361.37x = 134,762,994,668,509,760 - Step 5: Solve for x
x = 134,762,994,668,509,760/395,779,361.37 - Step 6: Final answer
x = 340,500,308.56
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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.