Finding the Fourth Proportional to 5,670,798,147.60, 8,506,197,221.40 and 4,906,386,243.60
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Solution
The fourth proportional to 5,670,798,147.60, 8,506,197,221.40 and 4,906,386,243.60 is: 7,359,579,365.40
Step by Step Solution
- Step 1: Write the proportion equation
5,670,798,147.60 : 8,506,197,221.40 = 4,906,386,243.60 : x - Step 2: Convert to fraction form
5,670,798,147.60/8,506,197,221.40 = 4,906,386,243.60/x - Step 3: Cross multiply
5,670,798,147.60x = 8,506,197,221.40 × 4,906,386,243.60 - Step 4: Simplify right side
5,670,798,147.60x = 41,734,689,032,425,504,768 - Step 5: Solve for x
x = 41,734,689,032,425,504,768/5,670,798,147.60 - Step 6: Final answer
x = 7,359,579,365.40
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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.