Finding the Fourth Proportional to 5,156,819,537.76, 7,735,219,647.12 and 1,615,832,052.48
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Solution
The fourth proportional to 5,156,819,537.76, 7,735,219,647.12 and 1,615,832,052.48 is: 2,423,745,052.02
Step by Step Solution
- Step 1: Write the proportion equation
5,156,819,537.76 : 7,735,219,647.12 = 1,615,832,052.48 : x - Step 2: Convert to fraction form
5,156,819,537.76/7,735,219,647.12 = 1,615,832,052.48/x - Step 3: Cross multiply
5,156,819,537.76x = 7,735,219,647.12 × 1,615,832,052.48 - Step 4: Simplify right side
5,156,819,537.76x = 12,498,815,838,789,531,648 - Step 5: Solve for x
x = 12,498,815,838,789,531,648/5,156,819,537.76 - Step 6: Final answer
x = 2,423,745,052.02
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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.