Finding the Fourth Proportional to 8,118,717,543.14, 11,203,854,342.32 and 4,501,996,074.53
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Solution
The fourth proportional to 8,118,717,543.14, 11,203,854,342.32 and 4,501,996,074.53 is: 6,212,767,964.99
Step by Step Solution
- Step 1: Write the proportion equation
8,118,717,543.14 : 11,203,854,342.32 = 4,501,996,074.53 : x - Step 2: Convert to fraction form
8,118,717,543.14/11,203,854,342.32 = 4,501,996,074.53/x - Step 3: Cross multiply
8,118,717,543.14x = 11,203,854,342.32 × 4,501,996,074.53 - Step 4: Simplify right side
8,118,717,543.14x = 50,439,708,268,783,206,400 - Step 5: Solve for x
x = 50,439,708,268,783,206,400/8,118,717,543.14 - Step 6: Final answer
x = 6,212,767,964.99
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.