Finding the Fourth Proportional to 2,811,769,822.16, 3,880,242,270.60 and 1,558,703,502.80
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Solution
The fourth proportional to 2,811,769,822.16, 3,880,242,270.60 and 1,558,703,502.80 is: 2,151,010,787.31
Step by Step Solution
- Step 1: Write the proportion equation
2,811,769,822.16 : 3,880,242,270.60 = 1,558,703,502.80 : x - Step 2: Convert to fraction form
2,811,769,822.16/3,880,242,270.60 = 1,558,703,502.80/x - Step 3: Cross multiply
2,811,769,822.16x = 3,880,242,270.60 × 1,558,703,502.80 - Step 4: Simplify right side
2,811,769,822.16x = 6,048,147,218,896,844,800 - Step 5: Solve for x
x = 6,048,147,218,896,844,800/2,811,769,822.16 - Step 6: Final answer
x = 2,151,010,787.31
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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.