Finding the Fourth Proportional to 997,057,352.70, 1,495,586,029.05 and 827,188,040.70
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Solution
The fourth proportional to 997,057,352.70, 1,495,586,029.05 and 827,188,040.70 is: 1,240,782,061.05
Step by Step Solution
- Step 1: Write the proportion equation
997,057,352.70 : 1,495,586,029.05 = 827,188,040.70 : x - Step 2: Convert to fraction form
997,057,352.70/1,495,586,029.05 = 827,188,040.70/x - Step 3: Cross multiply
997,057,352.70x = 1,495,586,029.05 × 827,188,040.70 - Step 4: Simplify right side
997,057,352.70x = 1,237,130,877,068,162,816 - Step 5: Solve for x
x = 1,237,130,877,068,162,816/997,057,352.70 - Step 6: Final answer
x = 1,240,782,061.05
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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.