Finding the Fourth Proportional to 495,470,535.12, 683,751,997.08 and 272,466,596.88
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Solution
The fourth proportional to 495,470,535.12, 683,751,997.08 and 272,466,596.88 is: 376,005,365.71
Step by Step Solution
- Step 1: Write the proportion equation
495,470,535.12 : 683,751,997.08 = 272,466,596.88 : x - Step 2: Convert to fraction form
495,470,535.12/683,751,997.08 = 272,466,596.88/x - Step 3: Cross multiply
495,470,535.12x = 683,751,997.08 × 272,466,596.88 - Step 4: Simplify right side
495,470,535.12x = 186,299,579,754,291,296 - Step 5: Solve for x
x = 186,299,579,754,291,296/495,470,535.12 - Step 6: Final answer
x = 376,005,365.71
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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.