Finding the Fourth Proportional to 1,884,296,289.84, 2,826,751,213.76 and 556,458,639.63
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Solution
The fourth proportional to 1,884,296,289.84, 2,826,751,213.76 and 556,458,639.63 is: 834,778,555.51
Step by Step Solution
- Step 1: Write the proportion equation
1,884,296,289.84 : 2,826,751,213.76 = 556,458,639.63 : x - Step 2: Convert to fraction form
1,884,296,289.84/2,826,751,213.76 = 556,458,639.63/x - Step 3: Cross multiply
1,884,296,289.84x = 2,826,751,213.76 × 556,458,639.63 - Step 4: Simplify right side
1,884,296,289.84x = 1,572,970,134,978,558,720 - Step 5: Solve for x
x = 1,572,970,134,978,558,720/1,884,296,289.84 - Step 6: Final answer
x = 834,778,555.51
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.