Finding the Fourth Proportional to 746,501,312.40, 1,119,751,968.60 and 201,297,958.80
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Solution
The fourth proportional to 746,501,312.40, 1,119,751,968.60 and 201,297,958.80 is: 301,946,938.20
Step by Step Solution
- Step 1: Write the proportion equation
746,501,312.40 : 1,119,751,968.60 = 201,297,958.80 : x - Step 2: Convert to fraction form
746,501,312.40/1,119,751,968.60 = 201,297,958.80/x - Step 3: Cross multiply
746,501,312.40x = 1,119,751,968.60 × 201,297,958.80 - Step 4: Simplify right side
746,501,312.40x = 225,403,785,641,461,696 - Step 5: Solve for x
x = 225,403,785,641,461,696/746,501,312.40 - Step 6: Final answer
x = 301,946,938.20
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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.