Finding the Fourth Proportional to 729,158,366.42, 1,093,786,312.70 and 256,400,929.99
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Solution
The fourth proportional to 729,158,366.42, 1,093,786,312.70 and 256,400,929.99 is: 384,618,542.00
Step by Step Solution
- Step 1: Write the proportion equation
729,158,366.42 : 1,093,786,312.70 = 256,400,929.99 : x - Step 2: Convert to fraction form
729,158,366.42/1,093,786,312.70 = 256,400,929.99/x - Step 3: Cross multiply
729,158,366.42x = 1,093,786,312.70 × 256,400,929.99 - Step 4: Simplify right side
729,158,366.42x = 280,447,827,781,144,032 - Step 5: Solve for x
x = 280,447,827,781,144,032/729,158,366.42 - Step 6: Final answer
x = 384,618,542.00
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.