Finding the Fourth Proportional to 2,480,544,078.60, 3,720,816,117.90 and 2,135,886,875.40
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Solution
The fourth proportional to 2,480,544,078.60, 3,720,816,117.90 and 2,135,886,875.40 is: 3,203,830,313.10
Step by Step Solution
- Step 1: Write the proportion equation
2,480,544,078.60 : 3,720,816,117.90 = 2,135,886,875.40 : x - Step 2: Convert to fraction form
2,480,544,078.60/3,720,816,117.90 = 2,135,886,875.40/x - Step 3: Cross multiply
2,480,544,078.60x = 3,720,816,117.90 × 2,135,886,875.40 - Step 4: Simplify right side
2,480,544,078.60x = 7,947,242,311,999,389,696 - Step 5: Solve for x
x = 7,947,242,311,999,389,696/2,480,544,078.60 - Step 6: Final answer
x = 3,203,830,313.10
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.