Finding the Fourth Proportional to 5,670,798,543.10, 8,506,197,814.65 and 4,906,386,639.10
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Solution
The fourth proportional to 5,670,798,543.10, 8,506,197,814.65 and 4,906,386,639.10 is: 7,359,579,958.65
Step by Step Solution
- Step 1: Write the proportion equation
5,670,798,543.10 : 8,506,197,814.65 = 4,906,386,639.10 : x - Step 2: Convert to fraction form
5,670,798,543.10/8,506,197,814.65 = 4,906,386,639.10/x - Step 3: Cross multiply
5,670,798,543.10x = 8,506,197,814.65 × 4,906,386,639.10 - Step 4: Simplify right side
5,670,798,543.10x = 41,734,695,307,340,382,208 - Step 5: Solve for x
x = 41,734,695,307,340,382,208/5,670,798,543.10 - Step 6: Final answer
x = 7,359,579,958.65
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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.