Finding the Fourth Proportional to 5,668,713,079.70, 8,503,069,619.55 and 4,291,218,007.70
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Solution
The fourth proportional to 5,668,713,079.70, 8,503,069,619.55 and 4,291,218,007.70 is: 6,436,827,011.55
Step by Step Solution
- Step 1: Write the proportion equation
5,668,713,079.70 : 8,503,069,619.55 = 4,291,218,007.70 : x - Step 2: Convert to fraction form
5,668,713,079.70/8,503,069,619.55 = 4,291,218,007.70/x - Step 3: Cross multiply
5,668,713,079.70x = 8,503,069,619.55 × 4,291,218,007.70 - Step 4: Simplify right side
5,668,713,079.70x = 36,488,525,472,139,747,328 - Step 5: Solve for x
x = 36,488,525,472,139,747,328/5,668,713,079.70 - Step 6: Final answer
x = 6,436,827,011.55
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Double scale
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Similar ratio
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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.