Finding the Fourth Proportional to 743,757,671,882.18, 1,115,117,811,280.60 and 329,546,664,731.28
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Solution
The fourth proportional to 743,757,671,882.18, 1,115,117,811,280.60 and 329,546,664,731.28 is: 494,090,171,278.50
Step by Step Solution
- Step 1: Write the proportion equation
743,757,671,882.18 : 1,115,117,811,280.60 = 329,546,664,731.28 : x - Step 2: Convert to fraction form
743,757,671,882.18/1,115,117,811,280.60 = 329,546,664,731.28/x - Step 3: Cross multiply
743,757,671,882.18x = 1,115,117,811,280.60 × 329,546,664,731.28 - Step 4: Simplify right side
743,757,671,882.18x = 367,483,355,489,966,709,800,960 - Step 5: Solve for x
x = 367,483,355,489,966,709,800,960/743,757,671,882.18 - Step 6: Final answer
x = 494,090,171,278.50
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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.