Finding the Fourth Proportional to 699,302,852.79, 965,033,027.57 and 381,763,098.66
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Solution
The fourth proportional to 699,302,852.79, 965,033,027.57 and 381,763,098.66 is: 526,830,396.08
Step by Step Solution
- Step 1: Write the proportion equation
699,302,852.79 : 965,033,027.57 = 381,763,098.66 : x - Step 2: Convert to fraction form
699,302,852.79/965,033,027.57 = 381,763,098.66/x - Step 3: Cross multiply
699,302,852.79x = 965,033,027.57 × 381,763,098.66 - Step 4: Simplify right side
699,302,852.79x = 368,413,998,914,364,480 - Step 5: Solve for x
x = 368,413,998,914,364,480/699,302,852.79 - Step 6: Final answer
x = 526,830,396.08
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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.