Finding the Fourth Proportional to 10,299,316,887.70, 15,448,975,331.55 and 2,544,529,815.70
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Solution
The fourth proportional to 10,299,316,887.70, 15,448,975,331.55 and 2,544,529,815.70 is: 3,816,794,723.55
Step by Step Solution
- Step 1: Write the proportion equation
10,299,316,887.70 : 15,448,975,331.55 = 2,544,529,815.70 : x - Step 2: Convert to fraction form
10,299,316,887.70/15,448,975,331.55 = 2,544,529,815.70/x - Step 3: Cross multiply
10,299,316,887.70x = 15,448,975,331.55 × 2,544,529,815.70 - Step 4: Simplify right side
10,299,316,887.70x = 39,310,378,353,142,759,424 - Step 5: Solve for x
x = 39,310,378,353,142,759,424/10,299,316,887.70 - Step 6: Final answer
x = 3,816,794,723.55
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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.