Finding the Fourth Proportional to 4,119,566,467.70, 6,179,349,701.55 and 3,668,085,686.90
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Solution
The fourth proportional to 4,119,566,467.70, 6,179,349,701.55 and 3,668,085,686.90 is: 5,502,128,530.35
Step by Step Solution
- Step 1: Write the proportion equation
4,119,566,467.70 : 6,179,349,701.55 = 3,668,085,686.90 : x - Step 2: Convert to fraction form
4,119,566,467.70/6,179,349,701.55 = 3,668,085,686.90/x - Step 3: Cross multiply
4,119,566,467.70x = 6,179,349,701.55 × 3,668,085,686.90 - Step 4: Simplify right side
4,119,566,467.70x = 22,666,384,194,605,342,720 - Step 5: Solve for x
x = 22,666,384,194,605,342,720/4,119,566,467.70 - Step 6: Final answer
x = 5,502,128,530.35
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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.