Finding the Fourth Proportional to 734,832,000.30, 1,102,248,000.45 and 717,825,888.30
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Solution
The fourth proportional to 734,832,000.30, 1,102,248,000.45 and 717,825,888.30 is: 1,076,738,832.45
Step by Step Solution
- Step 1: Write the proportion equation
734,832,000.30 : 1,102,248,000.45 = 717,825,888.30 : x - Step 2: Convert to fraction form
734,832,000.30/1,102,248,000.45 = 717,825,888.30/x - Step 3: Cross multiply
734,832,000.30x = 1,102,248,000.45 × 717,825,888.30 - Step 4: Simplify right side
734,832,000.30x = 791,222,150,049,920,000 - Step 5: Solve for x
x = 791,222,150,049,920,000/734,832,000.30 - Step 6: Final answer
x = 1,076,738,832.45
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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.