Finding the Fourth Proportional to 884,912,000.80, 1,236,580,976 and 884,912,000.80
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Solution
The fourth proportional to 884,912,000.80, 1,236,580,976 and 884,912,000.80 is: 1,236,580,976
Step by Step Solution
- Step 1: Write the proportion equation
884,912,000.80 : 1,236,580,976 = 884,912,000.80 : x - Step 2: Convert to fraction form
884,912,000.80/1,236,580,976 = 884,912,000.80/x - Step 3: Cross multiply
884,912,000.80x = 1,236,580,976 × 884,912,000.80 - Step 4: Simplify right side
884,912,000.80x = 1,094,265,345,623,376,768 - Step 5: Solve for x
x = 1,094,265,345,623,376,768/884,912,000.80 - Step 6: Final answer
x = 1,236,580,976
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Double scale
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.