Finding the Fourth Proportional to 5,310,947,739.49, 7,332,415,510.68 and 3,380,804,598.38
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Solution
The fourth proportional to 5,310,947,739.49, 7,332,415,510.68 and 3,380,804,598.38 is: 4,667,615,892.99
Step by Step Solution
- Step 1: Write the proportion equation
5,310,947,739.49 : 7,332,415,510.68 = 3,380,804,598.38 : x - Step 2: Convert to fraction form
5,310,947,739.49/7,332,415,510.68 = 3,380,804,598.38/x - Step 3: Cross multiply
5,310,947,739.49x = 7,332,415,510.68 × 3,380,804,598.38 - Step 4: Simplify right side
5,310,947,739.49x = 24,789,464,075,703,119,872 - Step 5: Solve for x
x = 24,789,464,075,703,119,872/5,310,947,739.49 - Step 6: Final answer
x = 4,667,615,892.99
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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.