Finding the Fourth Proportional to 2,987,238,373.30, 4,480,857,559.95 and 1,609,743,301.30
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Solution
The fourth proportional to 2,987,238,373.30, 4,480,857,559.95 and 1,609,743,301.30 is: 2,414,614,951.95
Step by Step Solution
- Step 1: Write the proportion equation
2,987,238,373.30 : 4,480,857,559.95 = 1,609,743,301.30 : x - Step 2: Convert to fraction form
2,987,238,373.30/4,480,857,559.95 = 1,609,743,301.30/x - Step 3: Cross multiply
2,987,238,373.30x = 4,480,857,559.95 × 1,609,743,301.30 - Step 4: Simplify right side
2,987,238,373.30x = 7,213,030,441,208,975,360 - Step 5: Solve for x
x = 7,213,030,441,208,975,360/2,987,238,373.30 - Step 6: Final answer
x = 2,414,614,951.95
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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.