Finding the Fourth Proportional to 2,235,255,561.08, 3,084,513,687.80 and 1,231,616,963.76
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Solution
The fourth proportional to 2,235,255,561.08, 3,084,513,687.80 and 1,231,616,963.76 is: 1,699,554,828.99
Step by Step Solution
- Step 1: Write the proportion equation
2,235,255,561.08 : 3,084,513,687.80 = 1,231,616,963.76 : x - Step 2: Convert to fraction form
2,235,255,561.08/3,084,513,687.80 = 1,231,616,963.76/x - Step 3: Cross multiply
2,235,255,561.08x = 3,084,513,687.80 × 1,231,616,963.76 - Step 4: Simplify right side
2,235,255,561.08x = 3,798,939,382,844,396,544 - Step 5: Solve for x
x = 3,798,939,382,844,396,544/2,235,255,561.08 - Step 6: Final answer
x = 1,699,554,828.99
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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.