Finding the Fourth Proportional to 1,137,025,640.52, 1,569,106,201.14 and 667,134,955.08
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Solution
The fourth proportional to 1,137,025,640.52, 1,569,106,201.14 and 667,134,955.08 is: 920,652,584.87
Step by Step Solution
- Step 1: Write the proportion equation
1,137,025,640.52 : 1,569,106,201.14 = 667,134,955.08 : x - Step 2: Convert to fraction form
1,137,025,640.52/1,569,106,201.14 = 667,134,955.08/x - Step 3: Cross multiply
1,137,025,640.52x = 1,569,106,201.14 × 667,134,955.08 - Step 4: Simplify right side
1,137,025,640.52x = 1,046,805,595,013,283,456 - Step 5: Solve for x
x = 1,046,805,595,013,283,456/1,137,025,640.52 - Step 6: Final answer
x = 920,652,584.87
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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.