Finding the Fourth Proportional to 1,135,024,369.20, 1,702,536,553.80 and 317,136,670.20
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Solution
The fourth proportional to 1,135,024,369.20, 1,702,536,553.80 and 317,136,670.20 is: 475,705,005.30
Step by Step Solution
- Step 1: Write the proportion equation
1,135,024,369.20 : 1,702,536,553.80 = 317,136,670.20 : x - Step 2: Convert to fraction form
1,135,024,369.20/1,702,536,553.80 = 317,136,670.20/x - Step 3: Cross multiply
1,135,024,369.20x = 1,702,536,553.80 × 317,136,670.20 - Step 4: Simplify right side
1,135,024,369.20x = 539,936,773,565,915,136 - Step 5: Solve for x
x = 539,936,773,565,915,136/1,135,024,369.20 - Step 6: Final answer
x = 475,705,005.30
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Double scale
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Similar ratio
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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.