Finding the Fourth Proportional to 9,700,992,804.70, 14,551,489,207.05 and 5,293,008,574.30
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Solution
The fourth proportional to 9,700,992,804.70, 14,551,489,207.05 and 5,293,008,574.30 is: 7,939,512,861.45
Step by Step Solution
- Step 1: Write the proportion equation
9,700,992,804.70 : 14,551,489,207.05 = 5,293,008,574.30 : x - Step 2: Convert to fraction form
9,700,992,804.70/14,551,489,207.05 = 5,293,008,574.30/x - Step 3: Cross multiply
9,700,992,804.70x = 14,551,489,207.05 × 5,293,008,574.30 - Step 4: Simplify right side
9,700,992,804.70x = 77,021,157,141,749,563,392 - Step 5: Solve for x
x = 77,021,157,141,749,563,392/9,700,992,804.70 - Step 6: Final answer
x = 7,939,512,861.45
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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.