Finding the Fourth Proportional to 323,310,607.80, 484,965,911.70 and 159,626,779.80
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Solution
The fourth proportional to 323,310,607.80, 484,965,911.70 and 159,626,779.80 is: 239,440,169.70
Step by Step Solution
- Step 1: Write the proportion equation
323,310,607.80 : 484,965,911.70 = 159,626,779.80 : x - Step 2: Convert to fraction form
323,310,607.80/484,965,911.70 = 159,626,779.80/x - Step 3: Cross multiply
323,310,607.80x = 484,965,911.70 × 159,626,779.80 - Step 4: Simplify right side
323,310,607.80x = 77,413,546,797,442,144 - Step 5: Solve for x
x = 77,413,546,797,442,144/323,310,607.80 - Step 6: Final answer
x = 239,440,169.70
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1.5x scale
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.