Finding the Fourth Proportional to 734,961,985.20, 1,102,442,977.80 and 635,192,794.80
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Solution
The fourth proportional to 734,961,985.20, 1,102,442,977.80 and 635,192,794.80 is: 952,789,192.20
Step by Step Solution
- Step 1: Write the proportion equation
734,961,985.20 : 1,102,442,977.80 = 635,192,794.80 : x - Step 2: Convert to fraction form
734,961,985.20/1,102,442,977.80 = 635,192,794.80/x - Step 3: Cross multiply
734,961,985.20x = 1,102,442,977.80 × 635,192,794.80 - Step 4: Simplify right side
734,961,985.20x = 700,263,836,176,416,256 - Step 5: Solve for x
x = 700,263,836,176,416,256/734,961,985.20 - Step 6: Final answer
x = 952,789,192.20
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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.