Finding the Fourth Proportional to 5,434,331,495.60, 8,151,497,243.40 and 4,780,021,336.40
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Solution
The fourth proportional to 5,434,331,495.60, 8,151,497,243.40 and 4,780,021,336.40 is: 7,170,032,004.60
Step by Step Solution
- Step 1: Write the proportion equation
5,434,331,495.60 : 8,151,497,243.40 = 4,780,021,336.40 : x - Step 2: Convert to fraction form
5,434,331,495.60/8,151,497,243.40 = 4,780,021,336.40/x - Step 3: Cross multiply
5,434,331,495.60x = 8,151,497,243.40 × 4,780,021,336.40 - Step 4: Simplify right side
5,434,331,495.60x = 38,964,330,747,057,782,784 - Step 5: Solve for x
x = 38,964,330,747,057,782,784/5,434,331,495.60 - Step 6: Final answer
x = 7,170,032,004.60
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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.