Finding the Fourth Proportional to 2,086,555,048.05, 3,129,832,572.08 and 1,566,168,020.85
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Solution
The fourth proportional to 2,086,555,048.05, 3,129,832,572.08 and 1,566,168,020.85 is: 2,349,252,031.28
Step by Step Solution
- Step 1: Write the proportion equation
2,086,555,048.05 : 3,129,832,572.08 = 1,566,168,020.85 : x - Step 2: Convert to fraction form
2,086,555,048.05/3,129,832,572.08 = 1,566,168,020.85/x - Step 3: Cross multiply
2,086,555,048.05x = 3,129,832,572.08 × 1,566,168,020.85 - Step 4: Simplify right side
2,086,555,048.05x = 4,901,843,684,998,566,912 - Step 5: Solve for x
x = 4,901,843,684,998,566,912/2,086,555,048.05 - Step 6: Final answer
x = 2,349,252,031.28
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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.