Finding the Fourth Proportional to 711,839,635.36, 1,067,370,206.20 and 565,228,977.46
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Solution
The fourth proportional to 711,839,635.36, 1,067,370,206.20 and 565,228,977.46 is: 847,534,388.72
Step by Step Solution
- Step 1: Write the proportion equation
711,839,635.36 : 1,067,370,206.20 = 565,228,977.46 : x - Step 2: Convert to fraction form
711,839,635.36/1,067,370,206.20 = 565,228,977.46/x - Step 3: Cross multiply
711,839,635.36x = 1,067,370,206.20 × 565,228,977.46 - Step 4: Simplify right side
711,839,635.36x = 603,308,570,221,695,360 - Step 5: Solve for x
x = 603,308,570,221,695,360/711,839,635.36 - Step 6: Final answer
x = 847,534,388.72
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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.