Finding the Fourth Proportional to 324,771,243.20, 487,156,864.80 and 152,584,359.20
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Solution
The fourth proportional to 324,771,243.20, 487,156,864.80 and 152,584,359.20 is: 228,876,538.80
Step by Step Solution
- Step 1: Write the proportion equation
324,771,243.20 : 487,156,864.80 = 152,584,359.20 : x - Step 2: Convert to fraction form
324,771,243.20/487,156,864.80 = 152,584,359.20/x - Step 3: Cross multiply
324,771,243.20x = 487,156,864.80 × 152,584,359.20 - Step 4: Simplify right side
324,771,243.20x = 74,332,518,045,389,040 - Step 5: Solve for x
x = 74,332,518,045,389,040/324,771,243.20 - Step 6: Final answer
x = 228,876,538.80
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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.