Finding the Fourth Proportional to 316,173,774, 436,319,808.12 and 171,470,286
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Solution
The fourth proportional to 316,173,774, 436,319,808.12 and 171,470,286 is: 236,628,994.68
Step by Step Solution
- Step 1: Write the proportion equation
316,173,774 : 436,319,808.12 = 171,470,286 : x - Step 2: Convert to fraction form
316,173,774/436,319,808.12 = 171,470,286/x - Step 3: Cross multiply
316,173,774x = 436,319,808.12 × 171,470,286 - Step 4: Simplify right side
316,173,774x = 74,815,882,285,801,520 - Step 5: Solve for x
x = 74,815,882,285,801,520/316,173,774 - Step 6: Final answer
x = 236,628,994.68
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.