Finding the Fourth Proportional to 316,386,025.05, 474,579,037.58 and 134,609,583.45
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Solution
The fourth proportional to 316,386,025.05, 474,579,037.58 and 134,609,583.45 is: 201,914,375.18
Step by Step Solution
- Step 1: Write the proportion equation
316,386,025.05 : 474,579,037.58 = 134,609,583.45 : x - Step 2: Convert to fraction form
316,386,025.05/474,579,037.58 = 134,609,583.45/x - Step 3: Cross multiply
316,386,025.05x = 474,579,037.58 × 134,609,583.45 - Step 4: Simplify right side
316,386,025.05x = 63,882,886,562,072,640 - Step 5: Solve for x
x = 63,882,886,562,072,640/316,386,025.05 - Step 6: Final answer
x = 201,914,375.18
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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.