Finding the Fourth Proportional to 4,990,465,323.01, 6,886,795,032.52 and 2,875,144,335.49
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Solution
The fourth proportional to 4,990,465,323.01, 6,886,795,032.52 and 2,875,144,335.49 is: 3,967,672,039.75
Step by Step Solution
- Step 1: Write the proportion equation
4,990,465,323.01 : 6,886,795,032.52 = 2,875,144,335.49 : x - Step 2: Convert to fraction form
4,990,465,323.01/6,886,795,032.52 = 2,875,144,335.49/x - Step 3: Cross multiply
4,990,465,323.01x = 6,886,795,032.52 × 2,875,144,335.49 - Step 4: Simplify right side
4,990,465,323.01x = 19,800,529,727,430,549,504 - Step 5: Solve for x
x = 19,800,529,727,430,549,504/4,990,465,323.01 - Step 6: Final answer
x = 3,967,672,039.75
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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.