Finding the Fourth Proportional to 440,221,497.60, 660,332,246.40 and 133,528,864.80
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Solution
The fourth proportional to 440,221,497.60, 660,332,246.40 and 133,528,864.80 is: 200,293,297.20
Step by Step Solution
- Step 1: Write the proportion equation
440,221,497.60 : 660,332,246.40 = 133,528,864.80 : x - Step 2: Convert to fraction form
440,221,497.60/660,332,246.40 = 133,528,864.80/x - Step 3: Cross multiply
440,221,497.60x = 660,332,246.40 × 133,528,864.80 - Step 4: Simplify right side
440,221,497.60x = 88,173,415,252,625,888 - Step 5: Solve for x
x = 88,173,415,252,625,888/440,221,497.60 - Step 6: Final answer
x = 200,293,297.20
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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.