Finding the Fourth Proportional to 1,437,482,229, 1,983,725,474.58 and 777,432,506.28
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Solution
The fourth proportional to 1,437,482,229, 1,983,725,474.58 and 777,432,506.28 is: 1,072,856,857.89
Step by Step Solution
- Step 1: Write the proportion equation
1,437,482,229 : 1,983,725,474.58 = 777,432,506.28 : x - Step 2: Convert to fraction form
1,437,482,229/1,983,725,474.58 = 777,432,506.28/x - Step 3: Cross multiply
1,437,482,229x = 1,983,725,474.58 × 777,432,506.28 - Step 4: Simplify right side
1,437,482,229x = 1,542,212,667,474,211,840 - Step 5: Solve for x
x = 1,542,212,667,474,211,840/1,437,482,229 - Step 6: Final answer
x = 1,072,856,857.89
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1.5x scale
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.