Finding the Fourth Proportional to 4,635,973,164.28, 6,399,307,075.78 and 2,756,373,964.09
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Solution
The fourth proportional to 4,635,973,164.28, 6,399,307,075.78 and 2,756,373,964.09 is: 3,804,785,486.64
Step by Step Solution
- Step 1: Write the proportion equation
4,635,973,164.28 : 6,399,307,075.78 = 2,756,373,964.09 : x - Step 2: Convert to fraction form
4,635,973,164.28/6,399,307,075.78 = 2,756,373,964.09/x - Step 3: Cross multiply
4,635,973,164.28x = 6,399,307,075.78 × 2,756,373,964.09 - Step 4: Simplify right side
4,635,973,164.28x = 17,638,883,411,896,905,728 - Step 5: Solve for x
x = 17,638,883,411,896,905,728/4,635,973,164.28 - Step 6: Final answer
x = 3,804,785,486.64
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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.