Finding the Fourth Proportional to 997,206,027.36, 1,502,615,694.72 and 819,435,469.92
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Solution
The fourth proportional to 997,206,027.36, 1,502,615,694.72 and 819,435,469.92 is: 1,234,746,445.70
Step by Step Solution
- Step 1: Write the proportion equation
997,206,027.36 : 1,502,615,694.72 = 819,435,469.92 : x - Step 2: Convert to fraction form
997,206,027.36/1,502,615,694.72 = 819,435,469.92/x - Step 3: Cross multiply
997,206,027.36x = 1,502,615,694.72 × 819,435,469.92 - Step 4: Simplify right side
997,206,027.36x = 1,231,296,597,912,050,432 - Step 5: Solve for x
x = 1,231,296,597,912,050,432/997,206,027.36 - Step 6: Final answer
x = 1,234,746,445.70
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.