Finding the Fourth Proportional to 6,212,912,264.77, 9,319,403,236.52 and 2,072,344,421.65
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Solution
The fourth proportional to 6,212,912,264.77, 9,319,403,236.52 and 2,072,344,421.65 is: 3,108,528,253.30
Step by Step Solution
- Step 1: Write the proportion equation
6,212,912,264.77 : 9,319,403,236.52 = 2,072,344,421.65 : x - Step 2: Convert to fraction form
6,212,912,264.77/9,319,403,236.52 = 2,072,344,421.65/x - Step 3: Cross multiply
6,212,912,264.77x = 9,319,403,236.52 × 2,072,344,421.65 - Step 4: Simplify right side
6,212,912,264.77x = 19,313,013,310,298,816,512 - Step 5: Solve for x
x = 19,313,013,310,298,816,512/6,212,912,264.77 - Step 6: Final answer
x = 3,108,528,253.30
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1.5x scale
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.