Finding the Fourth Proportional to 590,491,205.30, 885,736,807.95 and 202,184,981.30
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Solution
The fourth proportional to 590,491,205.30, 885,736,807.95 and 202,184,981.30 is: 303,277,471.95
Step by Step Solution
- Step 1: Write the proportion equation
590,491,205.30 : 885,736,807.95 = 202,184,981.30 : x - Step 2: Convert to fraction form
590,491,205.30/885,736,807.95 = 202,184,981.30/x - Step 3: Cross multiply
590,491,205.30x = 885,736,807.95 × 202,184,981.30 - Step 4: Simplify right side
590,491,205.30x = 179,082,679,952,092,448 - Step 5: Solve for x
x = 179,082,679,952,092,448/590,491,205.30 - Step 6: Final answer
x = 303,277,471.95
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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.