Finding the Fourth Proportional to 9,212,858,145.36, 12,713,705,946.81 and 4,983,759,609.12
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Solution
The fourth proportional to 9,212,858,145.36, 12,713,705,946.81 and 4,983,759,609.12 is: 6,877,567,545.30
Step by Step Solution
- Step 1: Write the proportion equation
9,212,858,145.36 : 12,713,705,946.81 = 4,983,759,609.12 : x - Step 2: Convert to fraction form
9,212,858,145.36/12,713,705,946.81 = 4,983,759,609.12/x - Step 3: Cross multiply
9,212,858,145.36x = 12,713,705,946.81 × 4,983,759,609.12 - Step 4: Simplify right side
9,212,858,145.36x = 63,362,054,179,940,417,536 - Step 5: Solve for x
x = 63,362,054,179,940,417,536/9,212,858,145.36 - Step 6: Final answer
x = 6,877,567,545.30
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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.