Finding the Fourth Proportional to 216,392,501,670.48, 298,497,584,203.98 and 134,960,949,429.42
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Solution
The fourth proportional to 216,392,501,670.48, 298,497,584,203.98 and 134,960,949,429.42 is: 186,168,730,688.75
Step by Step Solution
- Step 1: Write the proportion equation
216,392,501,670.48 : 298,497,584,203.98 = 134,960,949,429.42 : x - Step 2: Convert to fraction form
216,392,501,670.48/298,497,584,203.98 = 134,960,949,429.42/x - Step 3: Cross multiply
216,392,501,670.48x = 298,497,584,203.98 × 134,960,949,429.42 - Step 4: Simplify right side
216,392,501,670.48x = 40,285,517,366,557,377,822,720 - Step 5: Solve for x
x = 40,285,517,366,557,377,822,720/216,392,501,670.48 - Step 6: Final answer
x = 186,168,730,688.75
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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.