Finding the Fourth Proportional to 873,759,619.20, 1,310,639,428.80 and 227,527,363.20
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Solution
The fourth proportional to 873,759,619.20, 1,310,639,428.80 and 227,527,363.20 is: 341,291,044.80
Step by Step Solution
- Step 1: Write the proportion equation
873,759,619.20 : 1,310,639,428.80 = 227,527,363.20 : x - Step 2: Convert to fraction form
873,759,619.20/1,310,639,428.80 = 227,527,363.20/x - Step 3: Cross multiply
873,759,619.20x = 1,310,639,428.80 × 227,527,363.20 - Step 4: Simplify right side
873,759,619.20x = 298,206,333,340,818,112 - Step 5: Solve for x
x = 298,206,333,340,818,112/873,759,619.20 - Step 6: Final answer
x = 341,291,044.80
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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.