Finding the Fourth Proportional to 4,843,237,872.08, 6,683,668,007.64 and 2,615,569,845.68
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Solution
The fourth proportional to 4,843,237,872.08, 6,683,668,007.64 and 2,615,569,845.68 is: 3,609,486,248.88
Step by Step Solution
- Step 1: Write the proportion equation
4,843,237,872.08 : 6,683,668,007.64 = 2,615,569,845.68 : x - Step 2: Convert to fraction form
4,843,237,872.08/6,683,668,007.64 = 2,615,569,845.68/x - Step 3: Cross multiply
4,843,237,872.08x = 6,683,668,007.64 × 2,615,569,845.68 - Step 4: Simplify right side
4,843,237,872.08x = 17,481,600,499,319,308,288 - Step 5: Solve for x
x = 17,481,600,499,319,308,288/4,843,237,872.08 - Step 6: Final answer
x = 3,609,486,248.88
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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.