Finding the Fourth Proportional to 734,782,573.12, 1,102,173,859.44 and 303,961,069.12
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Solution
The fourth proportional to 734,782,573.12, 1,102,173,859.44 and 303,961,069.12 is: 455,941,603.58
Step by Step Solution
- Step 1: Write the proportion equation
734,782,573.12 : 1,102,173,859.44 = 303,961,069.12 : x - Step 2: Convert to fraction form
734,782,573.12/1,102,173,859.44 = 303,961,069.12/x - Step 3: Cross multiply
734,782,573.12x = 1,102,173,859.44 × 303,961,069.12 - Step 4: Simplify right side
734,782,573.12x = 335,017,944,671,499,008 - Step 5: Solve for x
x = 335,017,944,671,499,008/734,782,573.12 - Step 6: Final answer
x = 455,941,603.58
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Double scale
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Similar ratio
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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.