Finding the Fourth Proportional to 4,872,082,409.47, 6,722,321,243.34 and 2,757,538,353.70
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Solution
The fourth proportional to 4,872,082,409.47, 6,722,321,243.34 and 2,757,538,353.70 is: 3,804,750,637.71
Step by Step Solution
- Step 1: Write the proportion equation
4,872,082,409.47 : 6,722,321,243.34 = 2,757,538,353.70 : x - Step 2: Convert to fraction form
4,872,082,409.47/6,722,321,243.34 = 2,757,538,353.70/x - Step 3: Cross multiply
4,872,082,409.47x = 6,722,321,243.34 × 2,757,538,353.70 - Step 4: Simplify right side
4,872,082,409.47x = 18,537,058,654,423,695,360 - Step 5: Solve for x
x = 18,537,058,654,423,695,360/4,872,082,409.47 - Step 6: Final answer
x = 3,804,750,637.71
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1.5x scale
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.