Finding the Fourth Proportional to 788,712,035.76, 1,183,175,664.84 and 328,542,588.54
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Solution
The fourth proportional to 788,712,035.76, 1,183,175,664.84 and 328,542,588.54 is: 492,858,708.88
Step by Step Solution
- Step 1: Write the proportion equation
788,712,035.76 : 1,183,175,664.84 = 328,542,588.54 : x - Step 2: Convert to fraction form
788,712,035.76/1,183,175,664.84 = 328,542,588.54/x - Step 3: Cross multiply
788,712,035.76x = 1,183,175,664.84 × 328,542,588.54 - Step 4: Simplify right side
788,712,035.76x = 388,723,595,624,069,056 - Step 5: Solve for x
x = 388,723,595,624,069,056/788,712,035.76 - Step 6: Final answer
x = 492,858,708.88
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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.