Finding the Fourth Proportional to 2,374,518,546.37, 3,562,325,015.19 and 821,809,886.05
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Solution
The fourth proportional to 2,374,518,546.37, 3,562,325,015.19 and 821,809,886.05 is: 1,232,904,210.95
Step by Step Solution
- Step 1: Write the proportion equation
2,374,518,546.37 : 3,562,325,015.19 = 821,809,886.05 : x - Step 2: Convert to fraction form
2,374,518,546.37/3,562,325,015.19 = 821,809,886.05/x - Step 3: Cross multiply
2,374,518,546.37x = 3,562,325,015.19 × 821,809,886.05 - Step 4: Simplify right side
2,374,518,546.37x = 2,927,553,914,806,358,528 - Step 5: Solve for x
x = 2,927,553,914,806,358,528/2,374,518,546.37 - Step 6: Final answer
x = 1,232,904,210.95
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1.5x scale
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.