Finding the Fourth Proportional to 313,653,310.58, 470,417,964.35 and 298,098,623.00
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Solution
The fourth proportional to 313,653,310.58, 470,417,964.35 and 298,098,623.00 is: 447,089,007.75
Step by Step Solution
- Step 1: Write the proportion equation
313,653,310.58 : 470,417,964.35 = 298,098,623.00 : x - Step 2: Convert to fraction form
313,653,310.58/470,417,964.35 = 298,098,623.00/x - Step 3: Cross multiply
313,653,310.58x = 470,417,964.35 × 298,098,623.00 - Step 4: Simplify right side
313,653,310.58x = 140,230,947,403,355,520 - Step 5: Solve for x
x = 140,230,947,403,355,520/313,653,310.58 - Step 6: Final answer
x = 447,089,007.75
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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.