Finding the Fourth Proportional to 526,852,346.37, 727,055,669.99 and 288,703,337.75
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Solution
The fourth proportional to 526,852,346.37, 727,055,669.99 and 288,703,337.75 is: 398,410,294.83
Step by Step Solution
- Step 1: Write the proportion equation
526,852,346.37 : 727,055,669.99 = 288,703,337.75 : x - Step 2: Convert to fraction form
526,852,346.37/727,055,669.99 = 288,703,337.75/x - Step 3: Cross multiply
526,852,346.37x = 727,055,669.99 × 288,703,337.75 - Step 4: Simplify right side
526,852,346.37x = 209,903,398,651,096,736 - Step 5: Solve for x
x = 209,903,398,651,096,736/526,852,346.37 - Step 6: Final answer
x = 398,410,294.83
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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.