Finding the Fourth Proportional to 955,095,407.87, 1,432,935,491.85 and 489,086,783.37
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Solution
The fourth proportional to 955,095,407.87, 1,432,935,491.85 and 489,086,783.37 is: 733,779,897.50
Step by Step Solution
- Step 1: Write the proportion equation
955,095,407.87 : 1,432,935,491.85 = 489,086,783.37 : x - Step 2: Convert to fraction form
955,095,407.87/1,432,935,491.85 = 489,086,783.37/x - Step 3: Cross multiply
955,095,407.87x = 1,432,935,491.85 × 489,086,783.37 - Step 4: Simplify right side
955,095,407.87x = 700,829,810,485,625,344 - Step 5: Solve for x
x = 700,829,810,485,625,344/955,095,407.87 - Step 6: Final answer
x = 733,779,897.50
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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.