Finding the Fourth Proportional to 7,558,289,975.60, 11,337,434,963.40 and 5,721,629,879.60
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Solution
The fourth proportional to 7,558,289,975.60, 11,337,434,963.40 and 5,721,629,879.60 is: 8,582,444,819.40
Step by Step Solution
- Step 1: Write the proportion equation
7,558,289,975.60 : 11,337,434,963.40 = 5,721,629,879.60 : x - Step 2: Convert to fraction form
7,558,289,975.60/11,337,434,963.40 = 5,721,629,879.60/x - Step 3: Cross multiply
7,558,289,975.60x = 11,337,434,963.40 × 5,721,629,879.60 - Step 4: Simplify right side
7,558,289,975.60x = 64,868,606,644,611,178,496 - Step 5: Solve for x
x = 64,868,606,644,611,178,496/7,558,289,975.60 - Step 6: Final answer
x = 8,582,444,819.40
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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.