Finding the Fourth Proportional to 6,212,912,264.33, 9,319,403,235.86 and 2,072,344,421.21
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Solution
The fourth proportional to 6,212,912,264.33, 9,319,403,235.86 and 2,072,344,421.21 is: 3,108,528,252.64
Step by Step Solution
- Step 1: Write the proportion equation
6,212,912,264.33 : 9,319,403,235.86 = 2,072,344,421.21 : x - Step 2: Convert to fraction form
6,212,912,264.33/9,319,403,235.86 = 2,072,344,421.21/x - Step 3: Cross multiply
6,212,912,264.33x = 9,319,403,235.86 × 2,072,344,421.21 - Step 4: Simplify right side
6,212,912,264.33x = 19,313,013,304,827,015,168 - Step 5: Solve for x
x = 19,313,013,304,827,015,168/6,212,912,264.33 - Step 6: Final answer
x = 3,108,528,252.64
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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.