Finding the Fourth Proportional to 503,521,906.99, 689,827,473.41 and 484,650,043.88
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Solution
The fourth proportional to 503,521,906.99, 689,827,473.41 and 484,650,043.88 is: 663,972,928.71
Step by Step Solution
- Step 1: Write the proportion equation
503,521,906.99 : 689,827,473.41 = 484,650,043.88 : x - Step 2: Convert to fraction form
503,521,906.99/689,827,473.41 = 484,650,043.88/x - Step 3: Cross multiply
503,521,906.99x = 689,827,473.41 × 484,650,043.88 - Step 4: Simplify right side
503,521,906.99x = 334,324,915,254,637,376 - Step 5: Solve for x
x = 334,324,915,254,637,376/503,521,906.99 - Step 6: Final answer
x = 663,972,928.71
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Why These Related Problems?
These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.