Finding the Fourth Proportional to 5,471,274,151.84, 7,554,064,690.80 and 3,465,888,887.20
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Solution
The fourth proportional to 5,471,274,151.84, 7,554,064,690.80 and 3,465,888,887.20 is: 4,785,274,533.58
Step by Step Solution
- Step 1: Write the proportion equation
5,471,274,151.84 : 7,554,064,690.80 = 3,465,888,887.20 : x - Step 2: Convert to fraction form
5,471,274,151.84/7,554,064,690.80 = 3,465,888,887.20/x - Step 3: Cross multiply
5,471,274,151.84x = 7,554,064,690.80 × 3,465,888,887.20 - Step 4: Simplify right side
5,471,274,151.84x = 26,181,548,865,033,621,504 - Step 5: Solve for x
x = 26,181,548,865,033,621,504/5,471,274,151.84 - Step 6: Final answer
x = 4,785,274,533.58
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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.