Finding the Fourth Proportional to 7,117,609,132.60, 10,676,413,698.90 and 5,963,957,009.80
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Solution
The fourth proportional to 7,117,609,132.60, 10,676,413,698.90 and 5,963,957,009.80 is: 8,945,935,514.70
Step by Step Solution
- Step 1: Write the proportion equation
7,117,609,132.60 : 10,676,413,698.90 = 5,963,957,009.80 : x - Step 2: Convert to fraction form
7,117,609,132.60/10,676,413,698.90 = 5,963,957,009.80/x - Step 3: Cross multiply
7,117,609,132.60x = 10,676,413,698.90 × 5,963,957,009.80 - Step 4: Simplify right side
7,117,609,132.60x = 63,673,672,319,079,399,424 - Step 5: Solve for x
x = 63,673,672,319,079,399,424/7,117,609,132.60 - Step 6: Final answer
x = 8,945,935,514.70
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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.