Finding the Fourth Proportional to 617,348,125,703.72, 925,919,478,766.46 and 186,982,889,225.06
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Solution
The fourth proportional to 617,348,125,703.72, 925,919,478,766.46 and 186,982,889,225.06 is: 280,443,225,015.32
Step by Step Solution
- Step 1: Write the proportion equation
617,348,125,703.72 : 925,919,478,766.46 = 186,982,889,225.06 : x - Step 2: Convert to fraction form
617,348,125,703.72/925,919,478,766.46 = 186,982,889,225.06/x - Step 3: Cross multiply
617,348,125,703.72x = 925,919,478,766.46 × 186,982,889,225.06 - Step 4: Simplify right side
617,348,125,703.72x = 173,131,099,329,514,268,786,688 - Step 5: Solve for x
x = 173,131,099,329,514,268,786,688/617,348,125,703.72 - Step 6: Final answer
x = 280,443,225,015.32
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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.