Finding the Fourth Proportional to 987,532,403.04, 1,481,627,893.44 and 656,843,099.58
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Solution
The fourth proportional to 987,532,403.04, 1,481,627,893.44 and 656,843,099.58 is: 985,483,671.17
Step by Step Solution
- Step 1: Write the proportion equation
987,532,403.04 : 1,481,627,893.44 = 656,843,099.58 : x - Step 2: Convert to fraction form
987,532,403.04/1,481,627,893.44 = 656,843,099.58/x - Step 3: Cross multiply
987,532,403.04x = 1,481,627,893.44 × 656,843,099.58 - Step 4: Simplify right side
987,532,403.04x = 973,197,057,951,315,712 - Step 5: Solve for x
x = 973,197,057,951,315,712/987,532,403.04 - Step 6: Final answer
x = 985,483,671.17
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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.