Finding the Fourth Proportional to 270,367,875.33, 405,551,812.99 and 270,367,875.33
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Solution
The fourth proportional to 270,367,875.33, 405,551,812.99 and 270,367,875.33 is: 405,551,812.99
Step by Step Solution
- Step 1: Write the proportion equation
270,367,875.33 : 405,551,812.99 = 270,367,875.33 : x - Step 2: Convert to fraction form
270,367,875.33/405,551,812.99 = 270,367,875.33/x - Step 3: Cross multiply
270,367,875.33x = 405,551,812.99 × 270,367,875.33 - Step 4: Simplify right side
270,367,875.33x = 109,648,182,012,308,032 - Step 5: Solve for x
x = 109,648,182,012,308,032/270,367,875.33 - Step 6: Final answer
x = 405,551,812.99
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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.