Finding the Fourth Proportional to 633,084,823.26, 873,705,523.47 and 398,336,704.74
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Solution
The fourth proportional to 633,084,823.26, 873,705,523.47 and 398,336,704.74 is: 549,735,148.19
Step by Step Solution
- Step 1: Write the proportion equation
633,084,823.26 : 873,705,523.47 = 398,336,704.74 : x - Step 2: Convert to fraction form
633,084,823.26/873,705,523.47 = 398,336,704.74/x - Step 3: Cross multiply
633,084,823.26x = 873,705,523.47 × 398,336,704.74 - Step 4: Simplify right side
633,084,823.26x = 348,028,979,132,176,576 - Step 5: Solve for x
x = 348,028,979,132,176,576/633,084,823.26 - Step 6: Final answer
x = 549,735,148.19
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.