Finding the Fourth Proportional to 982,546,240, 1,355,920,366.24 and 536,512,700.28
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Solution
The fourth proportional to 982,546,240, 1,355,920,366.24 and 536,512,700.28 is: 740,391,105.72
Step by Step Solution
- Step 1: Write the proportion equation
982,546,240 : 1,355,920,366.24 = 536,512,700.28 : x - Step 2: Convert to fraction form
982,546,240/1,355,920,366.24 = 536,512,700.28/x - Step 3: Cross multiply
982,546,240x = 1,355,920,366.24 × 536,512,700.28 - Step 4: Simplify right side
982,546,240x = 727,468,497,056,068,864 - Step 5: Solve for x
x = 727,468,497,056,068,864/982,546,240 - Step 6: Final answer
x = 740,391,105.72
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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.