Finding the Fourth Proportional to 373,832,563.04, 515,918,345.11 and 212,903,351.11
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Solution
The fourth proportional to 373,832,563.04, 515,918,345.11 and 212,903,351.11 is: 293,823,372.90
Step by Step Solution
- Step 1: Write the proportion equation
373,832,563.04 : 515,918,345.11 = 212,903,351.11 : x - Step 2: Convert to fraction form
373,832,563.04/515,918,345.11 = 212,903,351.11/x - Step 3: Cross multiply
373,832,563.04x = 515,918,345.11 × 212,903,351.11 - Step 4: Simplify right side
373,832,563.04x = 109,840,744,571,222,432 - Step 5: Solve for x
x = 109,840,744,571,222,432/373,832,563.04 - Step 6: Final answer
x = 293,823,372.90
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.