Finding the Fourth Proportional to 367,239,853.20, 550,859,779.80 and 367,239,853.20
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Solution
The fourth proportional to 367,239,853.20, 550,859,779.80 and 367,239,853.20 is: 550,859,779.80
Step by Step Solution
- Step 1: Write the proportion equation
367,239,853.20 : 550,859,779.80 = 367,239,853.20 : x - Step 2: Convert to fraction form
367,239,853.20/550,859,779.80 = 367,239,853.20/x - Step 3: Cross multiply
367,239,853.20x = 550,859,779.80 × 367,239,853.20 - Step 4: Simplify right side
367,239,853.20x = 202,297,664,667,536,288 - Step 5: Solve for x
x = 202,297,664,667,536,288/367,239,853.20 - Step 6: Final answer
x = 550,859,779.80
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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.