Finding the Fourth Proportional to 3,179,493,065.44, 4,769,950,909.44 and 968,875,790.96
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Solution
The fourth proportional to 3,179,493,065.44, 4,769,950,909.44 and 968,875,790.96 is: 1,453,530,441.84
Step by Step Solution
- Step 1: Write the proportion equation
3,179,493,065.44 : 4,769,950,909.44 = 968,875,790.96 : x - Step 2: Convert to fraction form
3,179,493,065.44/4,769,950,909.44 = 968,875,790.96/x - Step 3: Cross multiply
3,179,493,065.44x = 4,769,950,909.44 × 968,875,790.96 - Step 4: Simplify right side
3,179,493,065.44x = 4,621,489,960,224,051,200 - Step 5: Solve for x
x = 4,621,489,960,224,051,200/3,179,493,065.44 - Step 6: Final answer
x = 1,453,530,441.84
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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.