Finding the Fourth Proportional to 682,595,428.68, 941,974,985.35 and 369,322,768.98
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Solution
The fourth proportional to 682,595,428.68, 941,974,985.35 and 369,322,768.98 is: 509,661,792.74
Step by Step Solution
- Step 1: Write the proportion equation
682,595,428.68 : 941,974,985.35 = 369,322,768.98 : x - Step 2: Convert to fraction form
682,595,428.68/941,974,985.35 = 369,322,768.98/x - Step 3: Cross multiply
682,595,428.68x = 941,974,985.35 × 369,322,768.98 - Step 4: Simplify right side
682,595,428.68x = 347,892,809,899,356,992 - Step 5: Solve for x
x = 347,892,809,899,356,992/682,595,428.68 - Step 6: Final answer
x = 509,661,792.74
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1.5x scale
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.