Finding the Fourth Proportional to 395,779,611.95, 545,948,945.24 and 246,842,159.29
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Solution
The fourth proportional to 395,779,611.95, 545,948,945.24 and 246,842,159.29 is: 340,500,653.49
Step by Step Solution
- Step 1: Write the proportion equation
395,779,611.95 : 545,948,945.24 = 246,842,159.29 : x - Step 2: Convert to fraction form
395,779,611.95/545,948,945.24 = 246,842,159.29/x - Step 3: Cross multiply
395,779,611.95x = 545,948,945.24 × 246,842,159.29 - Step 4: Simplify right side
395,779,611.95x = 134,763,216,505,139,568 - Step 5: Solve for x
x = 134,763,216,505,139,568/395,779,611.95 - Step 6: Final answer
x = 340,500,653.49
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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.