Finding the Fourth Proportional to 215,292,701.70, 322,939,052.55 and 215,292,701.70
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Solution
The fourth proportional to 215,292,701.70, 322,939,052.55 and 215,292,701.70 is: 322,939,052.55
Step by Step Solution
- Step 1: Write the proportion equation
215,292,701.70 : 322,939,052.55 = 215,292,701.70 : x - Step 2: Convert to fraction form
215,292,701.70/322,939,052.55 = 215,292,701.70/x - Step 3: Cross multiply
215,292,701.70x = 322,939,052.55 × 215,292,701.70 - Step 4: Simplify right side
215,292,701.70x = 69,526,421,107,927,776 - Step 5: Solve for x
x = 69,526,421,107,927,776/215,292,701.70 - Step 6: Final answer
x = 322,939,052.55
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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.