Finding the Fourth Proportional to 633,084,833.24, 873,705,537.28 and 398,336,714.72
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Solution
The fourth proportional to 633,084,833.24, 873,705,537.28 and 398,336,714.72 is: 549,735,161.99
Step by Step Solution
- Step 1: Write the proportion equation
633,084,833.24 : 873,705,537.28 = 398,336,714.72 : x - Step 2: Convert to fraction form
633,084,833.24/873,705,537.28 = 398,336,714.72/x - Step 3: Cross multiply
633,084,833.24x = 873,705,537.28 × 398,336,714.72 - Step 4: Simplify right side
633,084,833.24x = 348,028,993,352,787,712 - Step 5: Solve for x
x = 348,028,993,352,787,712/633,084,833.24 - Step 6: Final answer
x = 549,735,161.99
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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.