Finding the Fourth Proportional to 7,185,183,797.70, 10,777,775,696.55 and 5,250,266,165.70
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Solution
The fourth proportional to 7,185,183,797.70, 10,777,775,696.55 and 5,250,266,165.70 is: 7,875,399,248.55
Step by Step Solution
- Step 1: Write the proportion equation
7,185,183,797.70 : 10,777,775,696.55 = 5,250,266,165.70 : x - Step 2: Convert to fraction form
7,185,183,797.70/10,777,775,696.55 = 5,250,266,165.70/x - Step 3: Cross multiply
7,185,183,797.70x = 10,777,775,696.55 × 5,250,266,165.70 - Step 4: Simplify right side
7,185,183,797.70x = 56,586,191,081,100,206,080 - Step 5: Solve for x
x = 56,586,191,081,100,206,080/7,185,183,797.70 - Step 6: Final answer
x = 7,875,399,248.55
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Double scale
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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.