Finding the Fourth Proportional to 746,497,250.40, 1,119,745,875.60 and 741,962,287.20
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Solution
The fourth proportional to 746,497,250.40, 1,119,745,875.60 and 741,962,287.20 is: 1,112,943,430.80
Step by Step Solution
- Step 1: Write the proportion equation
746,497,250.40 : 1,119,745,875.60 = 741,962,287.20 : x - Step 2: Convert to fraction form
746,497,250.40/1,119,745,875.60 = 741,962,287.20/x - Step 3: Cross multiply
746,497,250.40x = 1,119,745,875.60 × 741,962,287.20 - Step 4: Simplify right side
746,497,250.40x = 830,809,210,942,942,592 - Step 5: Solve for x
x = 830,809,210,942,942,592/746,497,250.40 - Step 6: Final answer
x = 1,112,943,430.80
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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.