Finding the Fourth Proportional to 5,058,176,357.99, 6,980,366,014.20 and 2,769,270,381.79
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Solution
The fourth proportional to 5,058,176,357.99, 6,980,366,014.20 and 2,769,270,381.79 is: 3,821,638,371.03
Step by Step Solution
- Step 1: Write the proportion equation
5,058,176,357.99 : 6,980,366,014.20 = 2,769,270,381.79 : x - Step 2: Convert to fraction form
5,058,176,357.99/6,980,366,014.20 = 2,769,270,381.79/x - Step 3: Cross multiply
5,058,176,357.99x = 6,980,366,014.20 × 2,769,270,381.79 - Step 4: Simplify right side
5,058,176,357.99x = 19,330,520,857,142,669,312 - Step 5: Solve for x
x = 19,330,520,857,142,669,312/5,058,176,357.99 - Step 6: Final answer
x = 3,821,638,371.03
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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.