Finding the Fourth Proportional to 354,257,309.68, 488,972,335.23 and 205,626,314.42
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Solution
The fourth proportional to 354,257,309.68, 488,972,335.23 and 205,626,314.42 is: 283,820,760.79
Step by Step Solution
- Step 1: Write the proportion equation
354,257,309.68 : 488,972,335.23 = 205,626,314.42 : x - Step 2: Convert to fraction form
354,257,309.68/488,972,335.23 = 205,626,314.42/x - Step 3: Cross multiply
354,257,309.68x = 488,972,335.23 × 205,626,314.42 - Step 4: Simplify right side
354,257,309.68x = 100,545,579,146,685,616 - Step 5: Solve for x
x = 100,545,579,146,685,616/354,257,309.68 - Step 6: Final answer
x = 283,820,760.79
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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.