Finding the Fourth Proportional to 564,777,011.70, 847,165,517.55 and 201,140,147.70
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Solution
The fourth proportional to 564,777,011.70, 847,165,517.55 and 201,140,147.70 is: 301,710,221.55
Step by Step Solution
- Step 1: Write the proportion equation
564,777,011.70 : 847,165,517.55 = 201,140,147.70 : x - Step 2: Convert to fraction form
564,777,011.70/847,165,517.55 = 201,140,147.70/x - Step 3: Cross multiply
564,777,011.70x = 847,165,517.55 × 201,140,147.70 - Step 4: Simplify right side
564,777,011.70x = 170,398,997,326,353,920 - Step 5: Solve for x
x = 170,398,997,326,353,920/564,777,011.70 - Step 6: Final answer
x = 301,710,221.55
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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.