Finding the Fourth Proportional to 4,630,278,232, 6,389,842,074.96 and 2,515,769,488.72
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Solution
The fourth proportional to 4,630,278,232, 6,389,842,074.96 and 2,515,769,488.72 is: 3,471,793,469.95
Step by Step Solution
- Step 1: Write the proportion equation
4,630,278,232 : 6,389,842,074.96 = 2,515,769,488.72 : x - Step 2: Convert to fraction form
4,630,278,232/6,389,842,074.96 = 2,515,769,488.72/x - Step 3: Cross multiply
4,630,278,232x = 6,389,842,074.96 × 2,515,769,488.72 - Step 4: Simplify right side
4,630,278,232x = 16,075,369,729,923,661,824 - Step 5: Solve for x
x = 16,075,369,729,923,661,824/4,630,278,232 - Step 6: Final answer
x = 3,471,793,469.95
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1.5x scale
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.