Finding the Fourth Proportional to 729,056,557.64, 1,093,651,282.99 and 237,643,693.76
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Solution
The fourth proportional to 729,056,557.64, 1,093,651,282.99 and 237,643,693.76 is: 356,487,199.59
Step by Step Solution
- Step 1: Write the proportion equation
729,056,557.64 : 1,093,651,282.99 = 237,643,693.76 : x - Step 2: Convert to fraction form
729,056,557.64/1,093,651,282.99 = 237,643,693.76/x - Step 3: Cross multiply
729,056,557.64x = 1,093,651,282.99 × 237,643,693.76 - Step 4: Simplify right side
729,056,557.64x = 259,899,330,578,149,728 - Step 5: Solve for x
x = 259,899,330,578,149,728/729,056,557.64 - Step 6: Final answer
x = 356,487,199.59
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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.