Finding the Fourth Proportional to 1,043,987,917.36, 1,565,646,930.76 and 344,322,745.60
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Solution
The fourth proportional to 1,043,987,917.36, 1,565,646,930.76 and 344,322,745.60 is: 516,373,648.46
Step by Step Solution
- Step 1: Write the proportion equation
1,043,987,917.36 : 1,565,646,930.76 = 344,322,745.60 : x - Step 2: Convert to fraction form
1,043,987,917.36/1,565,646,930.76 = 344,322,745.60/x - Step 3: Cross multiply
1,043,987,917.36x = 1,565,646,930.76 × 344,322,745.60 - Step 4: Simplify right side
1,043,987,917.36x = 539,087,849,839,496,320 - Step 5: Solve for x
x = 539,087,849,839,496,320/1,043,987,917.36 - Step 6: Final answer
x = 516,373,648.46
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.