Finding the Fourth Proportional to 3,117,341,576.48, 4,675,973,347.44 and 756,522,089.60
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Solution
The fourth proportional to 3,117,341,576.48, 4,675,973,347.44 and 756,522,089.60 is: 1,134,773,665.62
Step by Step Solution
- Step 1: Write the proportion equation
3,117,341,576.48 : 4,675,973,347.44 = 756,522,089.60 : x - Step 2: Convert to fraction form
3,117,341,576.48/4,675,973,347.44 = 756,522,089.60/x - Step 3: Cross multiply
3,117,341,576.48x = 4,675,973,347.44 × 756,522,089.60 - Step 4: Simplify right side
3,117,341,576.48x = 3,537,477,127,719,215,616 - Step 5: Solve for x
x = 3,537,477,127,719,215,616/3,117,341,576.48 - Step 6: Final answer
x = 1,134,773,665.62
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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.