Finding the Fourth Proportional to 550,646,859.97, 825,997,735.86 and 157,232,036.35
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Solution
The fourth proportional to 550,646,859.97, 825,997,735.86 and 157,232,036.35 is: 235,855,891.45
Step by Step Solution
- Step 1: Write the proportion equation
550,646,859.97 : 825,997,735.86 = 157,232,036.35 : x - Step 2: Convert to fraction form
550,646,859.97/825,997,735.86 = 157,232,036.35/x - Step 3: Cross multiply
550,646,859.97x = 825,997,735.86 × 157,232,036.35 - Step 4: Simplify right side
550,646,859.97x = 129,873,306,029,757,216 - Step 5: Solve for x
x = 129,873,306,029,757,216/550,646,859.97 - Step 6: Final answer
x = 235,855,891.45
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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.