Finding the Fourth Proportional to 734,910,401.20, 1,102,365,601.80 and 250,236,209.20
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Solution
The fourth proportional to 734,910,401.20, 1,102,365,601.80 and 250,236,209.20 is: 375,354,313.80
Step by Step Solution
- Step 1: Write the proportion equation
734,910,401.20 : 1,102,365,601.80 = 250,236,209.20 : x - Step 2: Convert to fraction form
734,910,401.20/1,102,365,601.80 = 250,236,209.20/x - Step 3: Cross multiply
734,910,401.20x = 1,102,365,601.80 × 250,236,209.20 - Step 4: Simplify right side
734,910,401.20x = 275,851,789,346,908,672 - Step 5: Solve for x
x = 275,851,789,346,908,672/734,910,401.20 - Step 6: Final answer
x = 375,354,313.80
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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.