Finding the Fourth Proportional to 497,633,113.63, 686,733,992.25 and 277,616,539.63
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Solution
The fourth proportional to 497,633,113.63, 686,733,992.25 and 277,616,539.63 is: 383,110,989.51
Step by Step Solution
- Step 1: Write the proportion equation
497,633,113.63 : 686,733,992.25 = 277,616,539.63 : x - Step 2: Convert to fraction form
497,633,113.63/686,733,992.25 = 277,616,539.63/x - Step 3: Cross multiply
497,633,113.63x = 686,733,992.25 × 277,616,539.63 - Step 4: Simplify right side
497,633,113.63x = 190,648,714,574,740,224 - Step 5: Solve for x
x = 190,648,714,574,740,224/497,633,113.63 - Step 6: Final answer
x = 383,110,989.51
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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.