Finding the Fourth Proportional to 6,762,816,681.84, 10,144,543,887.36 and 5,580,203,679.72
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Solution
The fourth proportional to 6,762,816,681.84, 10,144,543,887.36 and 5,580,203,679.72 is: 8,370,568,624.36
Step by Step Solution
- Step 1: Write the proportion equation
6,762,816,681.84 : 10,144,543,887.36 = 5,580,203,679.72 : x - Step 2: Convert to fraction form
6,762,816,681.84/10,144,543,887.36 = 5,580,203,679.72/x - Step 3: Cross multiply
6,762,816,681.84x = 10,144,543,887.36 × 5,580,203,679.72 - Step 4: Simplify right side
6,762,816,681.84x = 56,608,621,129,327,312,896 - Step 5: Solve for x
x = 56,608,621,129,327,312,896/6,762,816,681.84 - Step 6: Final answer
x = 8,370,568,624.36
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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.