Finding the Fourth Proportional to 734,913,302.40, 1,102,369,953.60 and 367,581,283.20
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Solution
The fourth proportional to 734,913,302.40, 1,102,369,953.60 and 367,581,283.20 is: 551,371,924.80
Step by Step Solution
- Step 1: Write the proportion equation
734,913,302.40 : 1,102,369,953.60 = 367,581,283.20 : x - Step 2: Convert to fraction form
734,913,302.40/1,102,369,953.60 = 367,581,283.20/x - Step 3: Cross multiply
734,913,302.40x = 1,102,369,953.60 × 367,581,283.20 - Step 4: Simplify right side
734,913,302.40x = 405,210,562,105,412,416 - Step 5: Solve for x
x = 405,210,562,105,412,416/734,913,302.40 - Step 6: Final answer
x = 551,371,924.80
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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 (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.