Finding the Fourth Proportional to 744,492,340.20, 1,116,738,510.30 and 468,993,325.80
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Solution
The fourth proportional to 744,492,340.20, 1,116,738,510.30 and 468,993,325.80 is: 703,489,988.70
Step by Step Solution
- Step 1: Write the proportion equation
744,492,340.20 : 1,116,738,510.30 = 468,993,325.80 : x - Step 2: Convert to fraction form
744,492,340.20/1,116,738,510.30 = 468,993,325.80/x - Step 3: Cross multiply
744,492,340.20x = 1,116,738,510.30 × 468,993,325.80 - Step 4: Simplify right side
744,492,340.20x = 523,742,907,994,534,528 - Step 5: Solve for x
x = 523,742,907,994,534,528/744,492,340.20 - Step 6: Final answer
x = 703,489,988.70
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Double scale
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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.