Finding the Fourth Proportional to 4,720,346,544.56, 6,513,907,473.72 and 2,605,757,071.28
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Solution
The fourth proportional to 4,720,346,544.56, 6,513,907,473.72 and 2,605,757,071.28 is: 3,595,850,495.53
Step by Step Solution
- Step 1: Write the proportion equation
4,720,346,544.56 : 6,513,907,473.72 = 2,605,757,071.28 : x - Step 2: Convert to fraction form
4,720,346,544.56/6,513,907,473.72 = 2,605,757,071.28/x - Step 3: Cross multiply
4,720,346,544.56x = 6,513,907,473.72 × 2,605,757,071.28 - Step 4: Simplify right side
4,720,346,544.56x = 16,973,660,461,309,532,160 - Step 5: Solve for x
x = 16,973,660,461,309,532,160/4,720,346,544.56 - Step 6: Final answer
x = 3,595,850,495.53
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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.