Finding the Fourth Proportional to 7,108,171,595.62, 9,809,585,149.31 and 3,936,355,512.09
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Solution
The fourth proportional to 7,108,171,595.62, 9,809,585,149.31 and 3,936,355,512.09 is: 5,432,341,362.94
Step by Step Solution
- Step 1: Write the proportion equation
7,108,171,595.62 : 9,809,585,149.31 = 3,936,355,512.09 : x - Step 2: Convert to fraction form
7,108,171,595.62/9,809,585,149.31 = 3,936,355,512.09/x - Step 3: Cross multiply
7,108,171,595.62x = 9,809,585,149.31 × 3,936,355,512.09 - Step 4: Simplify right side
7,108,171,595.62x = 38,614,014,573,753,573,376 - Step 5: Solve for x
x = 38,614,014,573,753,573,376/7,108,171,595.62 - Step 6: Final answer
x = 5,432,341,362.94
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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.