Finding the Fourth Proportional to 948,552,057.84, 1,422,899,845.74 and 293,569,330.44
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Solution
The fourth proportional to 948,552,057.84, 1,422,899,845.74 and 293,569,330.44 is: 440,376,204.49
Step by Step Solution
- Step 1: Write the proportion equation
948,552,057.84 : 1,422,899,845.74 = 293,569,330.44 : x - Step 2: Convert to fraction form
948,552,057.84/1,422,899,845.74 = 293,569,330.44/x - Step 3: Cross multiply
948,552,057.84x = 1,422,899,845.74 × 293,569,330.44 - Step 4: Simplify right side
948,552,057.84x = 417,719,754,997,071,104 - Step 5: Solve for x
x = 417,719,754,997,071,104/948,552,057.84 - Step 6: Final answer
x = 440,376,204.49
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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.