Finding the Fourth Proportional to 316,469,701.80, 474,704,552.70 and 310,800,997.80
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Solution
The fourth proportional to 316,469,701.80, 474,704,552.70 and 310,800,997.80 is: 466,201,496.70
Step by Step Solution
- Step 1: Write the proportion equation
316,469,701.80 : 474,704,552.70 = 310,800,997.80 : x - Step 2: Convert to fraction form
316,469,701.80/474,704,552.70 = 310,800,997.80/x - Step 3: Cross multiply
316,469,701.80x = 474,704,552.70 × 310,800,997.80 - Step 4: Simplify right side
316,469,701.80x = 147,538,648,639,362,688 - Step 5: Solve for x
x = 147,538,648,639,362,688/316,469,701.80 - Step 6: Final answer
x = 466,201,496.70
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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.