Finding the Fourth Proportional to 497,633,108.63, 686,733,985.35 and 277,616,534.63
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Solution
The fourth proportional to 497,633,108.63, 686,733,985.35 and 277,616,534.63 is: 383,110,982.60
Step by Step Solution
- Step 1: Write the proportion equation
497,633,108.63 : 686,733,985.35 = 277,616,534.63 : x - Step 2: Convert to fraction form
497,633,108.63/686,733,985.35 = 277,616,534.63/x - Step 3: Cross multiply
497,633,108.63x = 686,733,985.35 × 277,616,534.63 - Step 4: Simplify right side
497,633,108.63x = 190,648,709,222,082,528 - Step 5: Solve for x
x = 190,648,709,222,082,528/497,633,108.63 - Step 6: Final answer
x = 383,110,982.60
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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.