Finding the Fourth Proportional to 1,258,944,655.06, 1,737,345,297.54 and 694,416,876.58
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Solution
The fourth proportional to 1,258,944,655.06, 1,737,345,297.54 and 694,416,876.58 is: 958,296,212.79
Step by Step Solution
- Step 1: Write the proportion equation
1,258,944,655.06 : 1,737,345,297.54 = 694,416,876.58 : x - Step 2: Convert to fraction form
1,258,944,655.06/1,737,345,297.54 = 694,416,876.58/x - Step 3: Cross multiply
1,258,944,655.06x = 1,737,345,297.54 × 694,416,876.58 - Step 4: Simplify right side
1,258,944,655.06x = 1,206,441,895,058,677,504 - Step 5: Solve for x
x = 1,206,441,895,058,677,504/1,258,944,655.06 - Step 6: Final answer
x = 958,296,212.79
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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.