Finding the Fourth Proportional to 918,181,750.05, 1,377,272,625.08 and 918,181,750.05
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Solution
The fourth proportional to 918,181,750.05, 1,377,272,625.08 and 918,181,750.05 is: 1,377,272,625.08
Step by Step Solution
- Step 1: Write the proportion equation
918,181,750.05 : 1,377,272,625.08 = 918,181,750.05 : x - Step 2: Convert to fraction form
918,181,750.05/1,377,272,625.08 = 918,181,750.05/x - Step 3: Cross multiply
918,181,750.05x = 1,377,272,625.08 × 918,181,750.05 - Step 4: Simplify right side
918,181,750.05x = 1,264,586,589,187,321,088 - Step 5: Solve for x
x = 1,264,586,589,187,321,088/918,181,750.05 - Step 6: Final answer
x = 1,377,272,625.08
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Double scale
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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.