Finding the Fourth Proportional to 7,473,102,446.10, 11,209,653,669.15 and 4,721,219,591.70
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Solution
The fourth proportional to 7,473,102,446.10, 11,209,653,669.15 and 4,721,219,591.70 is: 7,081,829,387.55
Step by Step Solution
- Step 1: Write the proportion equation
7,473,102,446.10 : 11,209,653,669.15 = 4,721,219,591.70 : x - Step 2: Convert to fraction form
7,473,102,446.10/11,209,653,669.15 = 4,721,219,591.70/x - Step 3: Cross multiply
7,473,102,446.10x = 11,209,653,669.15 × 4,721,219,591.70 - Step 4: Simplify right side
7,473,102,446.10x = 52,923,236,518,962,765,824 - Step 5: Solve for x
x = 52,923,236,518,962,765,824/7,473,102,446.10 - Step 6: Final answer
x = 7,081,829,387.55
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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.