Finding the Fourth Proportional to 911,091,226.23, 1,257,299,632.62 and 493,393,952.97
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Solution
The fourth proportional to 911,091,226.23, 1,257,299,632.62 and 493,393,952.97 is: 680,880,265.28
Step by Step Solution
- Step 1: Write the proportion equation
911,091,226.23 : 1,257,299,632.62 = 493,393,952.97 : x - Step 2: Convert to fraction form
911,091,226.23/1,257,299,632.62 = 493,393,952.97/x - Step 3: Cross multiply
911,091,226.23x = 1,257,299,632.62 × 493,393,952.97 - Step 4: Simplify right side
911,091,226.23x = 620,344,035,806,110,592 - Step 5: Solve for x
x = 620,344,035,806,110,592/911,091,226.23 - Step 6: Final answer
x = 680,880,265.28
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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.