Finding the Fourth Proportional to 4,828,896,449.40, 7,243,344,674.10 and 2,992,236,353.40
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Solution
The fourth proportional to 4,828,896,449.40, 7,243,344,674.10 and 2,992,236,353.40 is: 4,488,354,530.10
Step by Step Solution
- Step 1: Write the proportion equation
4,828,896,449.40 : 7,243,344,674.10 = 2,992,236,353.40 : x - Step 2: Convert to fraction form
4,828,896,449.40/7,243,344,674.10 = 2,992,236,353.40/x - Step 3: Cross multiply
4,828,896,449.40x = 7,243,344,674.10 × 2,992,236,353.40 - Step 4: Simplify right side
4,828,896,449.40x = 21,673,799,254,048,296,960 - Step 5: Solve for x
x = 21,673,799,254,048,296,960/4,828,896,449.40 - Step 6: Final answer
x = 4,488,354,530.10
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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.