Finding the Fourth Proportional to 577,471,511.20, 866,207,266.80 and 347,888,999.20
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Solution
The fourth proportional to 577,471,511.20, 866,207,266.80 and 347,888,999.20 is: 521,833,498.80
Step by Step Solution
- Step 1: Write the proportion equation
577,471,511.20 : 866,207,266.80 = 347,888,999.20 : x - Step 2: Convert to fraction form
577,471,511.20/866,207,266.80 = 347,888,999.20/x - Step 3: Cross multiply
577,471,511.20x = 866,207,266.80 × 347,888,999.20 - Step 4: Simplify right side
577,471,511.20x = 301,343,979,146,819,328 - Step 5: Solve for x
x = 301,343,979,146,819,328/577,471,511.20 - Step 6: Final answer
x = 521,833,498.80
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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.