Finding the Fourth Proportional to 595,922,483.40, 821,907,147.12 and 387,145,893.84
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Solution
The fourth proportional to 595,922,483.40, 821,907,147.12 and 387,145,893.84 is: 533,958,670.78
Step by Step Solution
- Step 1: Write the proportion equation
595,922,483.40 : 821,907,147.12 = 387,145,893.84 : x - Step 2: Convert to fraction form
595,922,483.40/821,907,147.12 = 387,145,893.84/x - Step 3: Cross multiply
595,922,483.40x = 821,907,147.12 × 387,145,893.84 - Step 4: Simplify right side
595,922,483.40x = 318,197,977,125,256,768 - Step 5: Solve for x
x = 318,197,977,125,256,768/595,922,483.40 - Step 6: Final answer
x = 533,958,670.78
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.