Finding the Fourth Proportional to 838,512,177.78, 1,157,232,912.03 and 504,092,965.26
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Solution
The fourth proportional to 838,512,177.78, 1,157,232,912.03 and 504,092,965.26 is: 695,700,057.29
Step by Step Solution
- Step 1: Write the proportion equation
838,512,177.78 : 1,157,232,912.03 = 504,092,965.26 : x - Step 2: Convert to fraction form
838,512,177.78/1,157,232,912.03 = 504,092,965.26/x - Step 3: Cross multiply
838,512,177.78x = 1,157,232,912.03 × 504,092,965.26 - Step 4: Simplify right side
838,512,177.78x = 583,352,970,121,667,456 - Step 5: Solve for x
x = 583,352,970,121,667,456/838,512,177.78 - Step 6: Final answer
x = 695,700,057.29
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1.5x scale
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.