Finding the Fourth Proportional to 743,293,674.05, 1,112,515,364.41 and 546,504,909.94
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Solution
The fourth proportional to 743,293,674.05, 1,112,515,364.41 and 546,504,909.94 is: 817,974,281.58
Step by Step Solution
- Step 1: Write the proportion equation
743,293,674.05 : 1,112,515,364.41 = 546,504,909.94 : x - Step 2: Convert to fraction form
743,293,674.05/1,112,515,364.41 = 546,504,909.94/x - Step 3: Cross multiply
743,293,674.05x = 1,112,515,364.41 × 546,504,909.94 - Step 4: Simplify right side
743,293,674.05x = 607,995,109,033,753,472 - Step 5: Solve for x
x = 607,995,109,033,753,472/743,293,674.05 - Step 6: Final answer
x = 817,974,281.58
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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.