Finding the Fourth Proportional to 5,481,342,012.66, 7,564,056,262.49 and 3,102,428,874.06
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Solution
The fourth proportional to 5,481,342,012.66, 7,564,056,262.49 and 3,102,428,874.06 is: 4,281,241,071.90
Step by Step Solution
- Step 1: Write the proportion equation
5,481,342,012.66 : 7,564,056,262.49 = 3,102,428,874.06 : x - Step 2: Convert to fraction form
5,481,342,012.66/7,564,056,262.49 = 3,102,428,874.06/x - Step 3: Cross multiply
5,481,342,012.66x = 7,564,056,262.49 × 3,102,428,874.06 - Step 4: Simplify right side
5,481,342,012.66x = 23,466,946,553,747,828,736 - Step 5: Solve for x
x = 23,466,946,553,747,828,736/5,481,342,012.66 - Step 6: Final answer
x = 4,281,241,071.90
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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.