Finding the Fourth Proportional to 22,141,599,707.28, 30,555,387,855.36 and 12,498,359,463.84
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Solution
The fourth proportional to 22,141,599,707.28, 30,555,387,855.36 and 12,498,359,463.84 is: 17,247,724,916.99
Step by Step Solution
- Step 1: Write the proportion equation
22,141,599,707.28 : 30,555,387,855.36 = 12,498,359,463.84 : x - Step 2: Convert to fraction form
22,141,599,707.28/30,555,387,855.36 = 12,498,359,463.84/x - Step 3: Cross multiply
22,141,599,707.28x = 30,555,387,855.36 × 12,498,359,463.84 - Step 4: Simplify right side
22,141,599,707.28x = 381,892,220,973,340,491,776 - Step 5: Solve for x
x = 381,892,220,973,340,491,776/22,141,599,707.28 - Step 6: Final answer
x = 17,247,724,916.99
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Half scale
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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 (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.