Finding the Fourth Proportional to 5,260,252,514.76, 7,259,059,502.10 and 2,913,358,670.28
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Solution
The fourth proportional to 5,260,252,514.76, 7,259,059,502.10 and 2,913,358,670.28 is: 4,020,385,690.46
Step by Step Solution
- Step 1: Write the proportion equation
5,260,252,514.76 : 7,259,059,502.10 = 2,913,358,670.28 : x - Step 2: Convert to fraction form
5,260,252,514.76/7,259,059,502.10 = 2,913,358,670.28/x - Step 3: Cross multiply
5,260,252,514.76x = 7,259,059,502.10 × 2,913,358,670.28 - Step 4: Simplify right side
5,260,252,514.76x = 21,148,243,938,521,456,640 - Step 5: Solve for x
x = 21,148,243,938,521,456,640/5,260,252,514.76 - Step 6: Final answer
x = 4,020,385,690.46
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.