Finding the Fourth Proportional to 3,159,399,176.40, 4,739,098,764.60 and 1,609,717,220.40
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Solution
The fourth proportional to 3,159,399,176.40, 4,739,098,764.60 and 1,609,717,220.40 is: 2,414,575,830.60
Step by Step Solution
- Step 1: Write the proportion equation
3,159,399,176.40 : 4,739,098,764.60 = 1,609,717,220.40 : x - Step 2: Convert to fraction form
3,159,399,176.40/4,739,098,764.60 = 1,609,717,220.40/x - Step 3: Cross multiply
3,159,399,176.40x = 4,739,098,764.60 × 1,609,717,220.40 - Step 4: Simplify right side
3,159,399,176.40x = 7,628,608,890,552,986,624 - Step 5: Solve for x
x = 7,628,608,890,552,986,624/3,159,399,176.40 - Step 6: Final answer
x = 2,414,575,830.60
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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.