Finding the Fourth Proportional to 6,197,314,284.90, 9,295,971,427.35 and 6,139,201,211.55
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Solution
The fourth proportional to 6,197,314,284.90, 9,295,971,427.35 and 6,139,201,211.55 is: 9,208,801,817.33
Step by Step Solution
- Step 1: Write the proportion equation
6,197,314,284.90 : 9,295,971,427.35 = 6,139,201,211.55 : x - Step 2: Convert to fraction form
6,197,314,284.90/9,295,971,427.35 = 6,139,201,211.55/x - Step 3: Cross multiply
6,197,314,284.90x = 9,295,971,427.35 × 6,139,201,211.55 - Step 4: Simplify right side
6,197,314,284.90x = 57,069,839,049,321,308,160 - Step 5: Solve for x
x = 57,069,839,049,321,308,160/6,197,314,284.90 - Step 6: Final answer
x = 9,208,801,817.33
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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.