Finding the Fourth Proportional to 547,319,471.93, 755,300,631.99 and 296,423,876.44
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Solution
The fourth proportional to 547,319,471.93, 755,300,631.99 and 296,423,876.44 is: 409,064,819.90
Step by Step Solution
- Step 1: Write the proportion equation
547,319,471.93 : 755,300,631.99 = 296,423,876.44 : x - Step 2: Convert to fraction form
547,319,471.93/755,300,631.99 = 296,423,876.44/x - Step 3: Cross multiply
547,319,471.93x = 755,300,631.99 × 296,423,876.44 - Step 4: Simplify right side
547,319,471.93x = 223,889,141,212,057,664 - Step 5: Solve for x
x = 223,889,141,212,057,664/547,319,471.93 - Step 6: Final answer
x = 409,064,819.90
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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.