Finding the Fourth Proportional to 1,325,553,258.96, 1,988,534,192.21 and 451,950,323.49
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Solution
The fourth proportional to 1,325,553,258.96, 1,988,534,192.21 and 451,950,323.49 is: 677,995,143.06
Step by Step Solution
- Step 1: Write the proportion equation
1,325,553,258.96 : 1,988,534,192.21 = 451,950,323.49 : x - Step 2: Convert to fraction form
1,325,553,258.96/1,988,534,192.21 = 451,950,323.49/x - Step 3: Cross multiply
1,325,553,258.96x = 1,988,534,192.21 × 451,950,323.49 - Step 4: Simplify right side
1,325,553,258.96x = 898,718,671,441,365,248 - Step 5: Solve for x
x = 898,718,671,441,365,248/1,325,553,258.96 - Step 6: Final answer
x = 677,995,143.06
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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.