Finding the Fourth Proportional to 962,993,169.57, 1,328,930,766.74 and 586,649,737.67
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Solution
The fourth proportional to 962,993,169.57, 1,328,930,766.74 and 586,649,737.67 is: 809,576,755.39
Step by Step Solution
- Step 1: Write the proportion equation
962,993,169.57 : 1,328,930,766.74 = 586,649,737.67 : x - Step 2: Convert to fraction form
962,993,169.57/1,328,930,766.74 = 586,649,737.67/x - Step 3: Cross multiply
962,993,169.57x = 1,328,930,766.74 × 586,649,737.67 - Step 4: Simplify right side
962,993,169.57x = 779,616,885,680,034,944 - Step 5: Solve for x
x = 779,616,885,680,034,944/962,993,169.57 - Step 6: Final answer
x = 809,576,755.39
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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.