Finding the Fourth Proportional to 4,938,472,052.56, 6,815,098,898.16 and 2,680,412,390.36
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Solution
The fourth proportional to 4,938,472,052.56, 6,815,098,898.16 and 2,680,412,390.36 is: 3,698,973,150.75
Step by Step Solution
- Step 1: Write the proportion equation
4,938,472,052.56 : 6,815,098,898.16 = 2,680,412,390.36 : x - Step 2: Convert to fraction form
4,938,472,052.56/6,815,098,898.16 = 2,680,412,390.36/x - Step 3: Cross multiply
4,938,472,052.56x = 6,815,098,898.16 × 2,680,412,390.36 - Step 4: Simplify right side
4,938,472,052.56x = 18,267,275,528,156,848,128 - Step 5: Solve for x
x = 18,267,275,528,156,848,128/4,938,472,052.56 - Step 6: Final answer
x = 3,698,973,150.75
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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.