Finding the Fourth Proportional to 4,871,058,020.74, 6,722,060,066.67 and 2,643,390,208.99
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Solution
The fourth proportional to 4,871,058,020.74, 6,722,060,066.67 and 2,643,390,208.99 is: 3,647,878,487.35
Step by Step Solution
- Step 1: Write the proportion equation
4,871,058,020.74 : 6,722,060,066.67 = 2,643,390,208.99 : x - Step 2: Convert to fraction form
4,871,058,020.74/6,722,060,066.67 = 2,643,390,208.99/x - Step 3: Cross multiply
4,871,058,020.74x = 6,722,060,066.67 × 2,643,390,208.99 - Step 4: Simplify right side
4,871,058,020.74x = 17,769,027,764,478,142,464 - Step 5: Solve for x
x = 17,769,027,764,478,142,464/4,871,058,020.74 - Step 6: Final answer
x = 3,647,878,487.35
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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.