Finding the Fourth Proportional to 4,753,072,402.40, 7,129,608,603.60 and 4,551,549,975.20
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Solution
The fourth proportional to 4,753,072,402.40, 7,129,608,603.60 and 4,551,549,975.20 is: 6,827,324,962.80
Step by Step Solution
- Step 1: Write the proportion equation
4,753,072,402.40 : 7,129,608,603.60 = 4,551,549,975.20 : x - Step 2: Convert to fraction form
4,753,072,402.40/7,129,608,603.60 = 4,551,549,975.20/x - Step 3: Cross multiply
4,753,072,402.40x = 7,129,608,603.60 × 4,551,549,975.20 - Step 4: Simplify right side
4,753,072,402.40x = 32,450,769,862,901,288,960 - Step 5: Solve for x
x = 32,450,769,862,901,288,960/4,753,072,402.40 - Step 6: Final answer
x = 6,827,324,962.80
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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.